Rolling Hills City Council
November 14, 2022

1. CALL TO ORDER

2. ROLL CALL

3. PLEDGE OF ALLEGIANCE

4. PRESENTATIONS/PROCLAMATIONS/ANNOUNCEMENTS

5. BLUE FOLDER ITEMS (SUPPLEMENTAL)
Blue folder (supplemental) items are additional back up materials to administrative reports, changes to the posted agenda packet, and/or public comments received after the printing and distribution of the agenda packet for receive and file.

5.A. FOR BLUE FOLDER DOCUMENTS APPROVED AT THE CITY COUNCIL

MEETING
RECOMMENDATION: Approved

6. PUBLIC COMMENT ON NON-AGENDA ITEMS
This is the appropriate time for members of the public to make comments regarding itemsnot listed on this agenda.

Pursuant to the Brown Act, no action will take place on any items not on the agenda.

7. CONSENT CALENDAR
Business items, except those formally noticed for public hearing, or those pulled for discussion are assigned to the Consent Calendar. The Mayor or any Councilmember may request that any Consent Calendar item(s) be removed, discussed, and acted upon separately. Items removed from the Consent Calendar will be taken up under the "Excluded Consent Calendar" section below. Those items remaining on the Consent Calendar will be approved in one motion. The Mayor will call on anyone wishing to address the City Council on any Consent Calendar item on the agenda, which has 2 PORTUGUESE BEND ROAD
ROLLING HILLS, CA 90274
(310) 377-1521
AGENDA
Regular City Council Meeting

CITY COUNCIL
Monday, November 14, 2022

CITY OF ROLLING HILLS
7:00 PM
The meeting agenda is available on the City’s website. The City Council meeting will be live-streamed on the City’s website.

Both the agenda and the live-streamed video can be found here:
https://www.rolling-hills.org/government/agenda/index.php Members of the public may submit written comments in real-time by emailing the City Clerk’s office at [email protected].

Your comments will become part of the official meeting record. You must provide your full name, but please do not provide any other personal information that you do not want to be published.

Recordings to City Council meetings can be found here: https://www.rolling-hills.org/government/agenda/index.php Next Resolution No. 1317 Next Ordinance No. 382
CL_AGN_221024_CC_BlueFolderItem_11B.pdf
CL_AGN_221024_CC_BlueFolderItem_11E.pdf
CL_AGN_221114_CC_BlueFolderItem_13A.pdf
1 not been pulled by Councilmembers for discussion.

7.A. APPROVE AFFIDAVIT OF POSTING FOR THE CITY COUNCIL REGULAR MEETING OF NOVEMBER 14, 2022
RECOMMENDATION: Approve.

7.B. APPROVE MOTION TO READ BY TITLE ONLY AND WAIVE FURTHER

READING OF ALL ORDINANCES AND RESOLUTIONS LISTED ON THE AGENDA
RECOMMENDATION: Approve.

7.C. APPROVE THE FOLLOWING CITY COUNCIL MINUTES: OCTOBER 24, 2022 RECOMMENDATION: Approve as presented.

7.D. PAYMENT OF BILLS.

RECOMMENDATION: Approve as presented.

7.E. FOR SECOND READING AND ADOPTION. ADOPT BY TITLE ONLY ORDINANCE NO. 380, AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF ROLLING HILLS, CALIFORNIA, AMENDING CHAPTER 8.32 TO THE

ROLLING HILLS MUNICIPAL CODE RELATING TO STORM WATER AND

POLLUTION CONTROL, AND FINDING THE ACTION TO BE EXEMPT FROM CEQA.

RECOMMENDATION: Adopt by title only Ordinance No. 380, amending Chapter 8.32 to the Rolling Hills Municipal Code relating to storm water and pollution control.

7.F. RECEIVE AND FILE MEASURE W, MUNICIPAL SAFE CLEAN WATER (SCW) ANNUAL REPORT FOR FISCAL YEAR 2021-22
RECOMMENDATION: Receive and file Measure W, Municipal Safe Clean Water Annual Report for Fiscal Year 2021-22

7.G. RECEIVE AND FILE SUBMITTAL OF THE ANNUAL MUNICIPAL STORMWATER REPORT FOR FISCAL YEAR 2021-2022
RECOMMENDATION: Receive and file submittal of the City's Individual Annual Municipal Stormwater Report for Fiscal Year 2021-2022

7.H. CONSIDER AND APPROVE THE THIRD AMENDMENT TO PROFESSIONAL SERVICES AGREEMENT WITH NV5 FOR THE SEPULVEDA CANYON
STORMWATER MONITORING FOR 2022-23, 2023-24, 2024-25 IN THE AMOUNT OF $39,445
RECOMMENDATION: Approve third Amendment to Professional Services Agreement with NV5 for the Sepulveda Canyon Stormwater monitoring CL_AGN_221114_CC_AffidavitofPosting.pdf
CL_MIN_221024_CC_F.pdf
CL_AGN_221114_CC_PaymentOfBills.pdf
CL_ORD_380_Stormwater_D.pdf
PW_NPDES_MS4_RHMC_Chapter_8.32_Stormwater(FinalDraft2)redline.pdf CL_AGN_CC_221114_RH_2021-22_SCW_Expenditures.pdf
CL_AGN_CC_221114_RH_Annual Report 2021-22(Final).pdf
CL_AGN_CC_221114_RH_AR_2021-22_Sec8attachD(Final).pdf
2 services for 2022-23, 2023-24, 2024-25 in the amount of $39,445

8. EXCLUDED CONSENT CALENDAR ITEMS

9. COMMISSION ITEMS

9.A. ZONING CASE NO. 22-60: A REQUEST FOR THE APPROVAL OF A SITE PLAN REVIEW FOR THE CONSTRUCTION OF A NEW 800 SQUARE-FOOT
SWIMMING POOL/SPA AND FOR NON-EXEMPT GRADING; AND A
CONDITIONAL USE PERMIT FOR THE CONSTRUCTION OF A 797-SQUAREFOOT POOL HOUSE LOCATED AT 21 CHUCKWAGON ROAD (MAUS) (LOT 4- CF & LOT 7-CF). THE PROJECT IS CATEGORICALLY EXEMPT FROM CEQA.

RECOMMENDATION: Receive and file.

10. PUBLIC HEARINGS

11. OLD BUSINESS

11.A. APPROVE UPDATE TO THE COMMUNITY WILDFIRE PROTECTION PLAN (CWPP) AND DIRECT STAFF TO SHARE THE APPROVED UPDATED CWPP

WITH THE CALIFORNIA INSURANCE COMMISSION AND WORK WITH THE

COMMISSION TO ASSIST RESIDENTS IN OBTAINING FIRE INSURANCE IN

ROLLING HILLS
RECOMMENDATION: Approve Update to the Community Wildfire Protection Plan (CWPP) and direct Staff to share the approved updated CWPP with the California Insurance Commission and work with the Commission to assist residents in obtaining fire insurance in Rolling Hills

11.B. RECEIVE A LETTER FROM THE ROLLING HILLS COMMUNITY ASSOCIATION

REGARDING THE NATURAL GAS BACKUP GENERATOR PROJECT AND

PROVIDE DIRECTION TO STAFF
RECOMMENDATION: Provide direction to staff.

11.C. RECEIVE AND FILE FEEDBACK FROM CALWATER ON THE OUTDOOR SIREN

PROJECT
RECOMMENDATION: Receive and file feedback from CalWater on the CL_AGN_221020_CC_PVP_WMP_ConditionalApproval.pdf
CL_AGN_CC_221114_3rd Amendment NV5(FINAL).pdf
221005_21ChuckwagonRd_ZC22-60_Radius Map.pdf
Development Table
Development Plans
CL_AGN_221018_PC_BlueFolderItem_PublicComment.pdf
Before and After Photos.docx
2022-17_PC_Resolution_21ChuckwagonRoad_ZC22-60_Maus_E.pdf CWPP_final_2020-09-10_v2020.1.pdf
CL_AGN_CC_220926_CWPPAppendix D - September 2022_F_2022-09-22.pdf CL_AGN_CC_221114_COMMENTS CWPP Update_221101.pdf
CL_AGN_221114_CC_RHCA_Memo_Generator.pdf
CL_AGN_221114_CC_LTGenerator_Proposal.pdf
CL_COR_220803_RHCA_NG-GeneratorDiscussion.pdf
CL_MIN_220725_CC_F_E.pdf
3 outdoor siren project

11.D. CONSIDER STAY GREEN INC. TO PROVIDE LANDSCAPING SERVICES FOR

THE CITY HALL CAMPUS AND DIRECT STAFF TO PREPARE A

PROFESSIONAL SERVICES AGREEMENT
RECOMMENDATION: Approve staff recommendation to select Say Green Inc. as the new City Hall Campus Landscape Maintenance provider and direct staff to prepare a professional services agreement.

11.E. CONSIDER AND APPROVE THE TRAFFIC COMMISSION'S

RECOMMENDATION FOR TRAFFIC IMPROVEMENTS ON JOHNS CANYON

ROAD TO ADDRESS RESIDENTS' CONCERNS AND FIND THE SAME EXEMPT

FROM THE CALIFORNIA ENVIRONMENTAL QUALITY ACT
RECOMMENDATION: Approve street improvements on Johns Canyon Road as recommended by the Traffic Commission, approve the budget amendment to fund the improvements, and find the same exempt from the California Environmental Quality Act.

11.F. CONSIDER AND APPROVE AMENDING THE SANITARY SEWER

IMPROVEMENT FEASIBILITY STUDY TO PHASE THE CONSTRUCTION OF THE 8-INCH SEWER MAIN PROJECT
RECOMMENDATION: Approve a proposal from Willdan Engineering in the amount of $9,010 and direct staff to prepare an amended Professional Services Agreement.

12. NEW BUSINESS

12.A. ADOPT RESOLUTION NO. 1316 AND SET A PUBLIC HEARING ON JANUARY 23, 2023 TO CREATE UNDERGROUND UTILITY DISTRICT NO. 2 (UUD-02) ON

EASTFIELD DRIVE
RECOMMENDATION: Adopt Resolution No. 1316 and set a public hearing on January 23, 2022 to create Underground Utility District No. 2 (UUD-02) on Eastfield Drive
CL_AGN_CC_221114_Siren Locations_CalWater_rv221108.pdf
CL_AGN_CC_221114_22-10-27_SpecialNewsletter.pdf
CL_AGN_CC_221114_22-11-03_SpecialNewsletter.pdf
CL_AGN_CC_221114_Lorig_Re_ Proposed 3 Story 138dB Tower on Spur Lane.pdf PW_LND_220920_StayGreen_Proposal.pdf
PW_LND_220920_Bennett_Proposal.pdf
PW_LND_220822_RFP_LandscapeMaintenanceServices_F_A.pdf
CO_TRC_Attachment A - Email from Smith 062122.pdf
CO_TRC_Attachment B - Memo from City Traffic Engineer 091922.pdf CO_TRC_Attachment C - Johns Canyon Rd Updated Estimate.pdf CO_TRC_Attachment D - Collission Report from Sheriffs for 5 years 083022.pdf CL_PBN_221114_Attachment E - CC_JohnsCynRd_improvements.pdf CL_PBN_Attachment F - Johns Canyon Rd Map.pdf
CL_PBN_221110_Attachment G - Johns Canyon Mailing List_2.pdf CL_AGN_221114_CC_JohnsCanyonRd_PublicComment01.pdf
CL_AGN_CC_221104_Email_BinhongLi_Redacted.pdf
CL_AGN_221114_CC_JohnsCanyonRd_PublicComment02.pdf
PW_SEW_8-inch_P22-158_23401_RH_Phase_II__Sewer_Area_Study_Supplement.pdf 4 12.B. CONSIDER ONWARD ENGINEERING TO PROVIDE CONSTRUCTION AND

GENERAL INSPECTION SERVICES FOR A NOT-TO-EXCEED AMOUNT OF $24,470 FOR FISCAL YEAR 2022-2023; AND DIRECT STAFF TO PREPARE A

PROFESSIONAL SERVICES AGREEMENT
RECOMMENDATION: Approve as presented.

13. MATTERS FROM THE CITY COUNCIL

13.A. LOS ANGELES COUNTY LAND BANK PROGRAM (DIERINGER)
RECOMMENDATION: Receive a presentation from Councilmember Dieringer and provide direction to staff.

14. MATTERS FROM STAFF

15. RECESS TO CLOSED SESSION

15.A. EMPLOYEE PERFORMANCE EVALUATION GOVERNMENT CODE SECTION 54957, TITLE CITY MANAGER
RECOMMENDATION: None.

15.B. PUBLIC EMPLOYEE APPOINTMENT CALIFORNIA GOVERNMENT CODE SECTION 54957 TITLE: CITY ATTORNEY
RECOMMENDATION: None

16. RECONVENE TO OPEN SESSION

17. ADJOURNMENT
Next adjourned regular meeting: Tuesday, December 13, 2022 at 7:00 p.m. in the City Council Chamber, Rolling Hills City Hall, 2 Portuguese Bend Road, Rolling Hills, California, 90274.

CL_AGN_CC_221114_ResolutionNo1316_IntentionToForm_UndergroundingUtilityDistrict2.pdf CL_AGN_221114_CC_EastfieldUU_District_Letter01_Template.pdf PW_PJI_221031_RFP_InspectionServices_FY22-23.pdf
CL_AGN_221114_CC_LACo_LandBank_CEO-Report.pdf
CL_AGN_221114_CC_LACo_LandBank_HahnLandBanking.pdf
CL_AGN_221114_CC_LACD_CCCA_CommentLetterToMetro.pdf
CL_AGN_221114_CC_LACo_LandBank_Pres.pdf
CL_AGN_221114_CC_LACo_LandBank_MetroBoardItem.pdf
CL_AGN_221114_CC_SBCCOG_LetterToBOS.pdf
CL_AGN_221114_CC_PVE_Letter.pdf
Notice:

Public Comment is welcome on any item prior to City Council action on the item.

Documents pertaining to an agenda item received after the posting of the agenda are available for review in the City Clerk's office or at the meeting at which the item will be considered.

In compliance with the Americans with Disabilities Act (ADA), if you need special assistance to participate in this meeting due to your disability, please contact the City Clerk at (310) 377-1521 at least 48 hours prior to the meeting to enable the City to make reasonable arrangements to ensure accessibility and accommodation for 5 your review of this agenda and attendance at this meeting. 6 Agenda Item No.: 5.A
Mtg. Date: 11/14/2022
TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: CHRISTIAN HORVATH, CITY CLERK / EXECUTIVE ASSISTANT TO

CITY MANAGER
THRU: ELAINE JENG P.E., CITY MANAGER
SUBJECT: FOR BLUE FOLDER DOCUMENTS APPROVED AT THE CITY COUNCIL

MEETING
DATE: November 14, 2022
BACKGROUND:

None.

DISCUSSION:

None.

FISCAL IMPACT:

None.

RECOMMENDATION:

Approved.

ATTACHMENTS:

CL_AGN_221024_CC_BlueFolderItem_11B.pdf
CL_AGN_221024_CC_BlueFolderItem_11E.pdf
CL_AGN_221114_CC_BlueFolderItem_13A.pdf
7 BLUE FOLDER ITEM (SUPPLEMENTAL)
Blue folder (supplemental) items are additional back up materials to administrative reports, changes to the posted agenda packet, and/or public comments received after the printing and distribution of the agenda packet for receive and file.

CITY COUNCIL MEETING
November 14, 2022

11.B RECEIVE A LETTER FROM THE ROLLING HILLS COMMUNITY ASSOCIATION

REGARDING THE NATURAL GAS BACKUP GENERATOR PROJECT AND

PROVIDE DIRECTION TO STAFF
FROM: CHRISTIAN HORVATH, CITY CLERK/EXECUTIVE ASSISTANT TO THE CITY

MANAGER
CL_AGN_221114_CC_LTGenerator_Proposal.pdf
8 BLUE FOLDER ITEM (SUPPLEMENTAL)
Blue folder (supplemental) items are additional back up materials to administrative reports, changes to the posted agenda packet, and/or public comments received after the printing and distribution of the agenda packet for receive and file.

CITY COUNCIL MEETING
November 14, 2022

11.E CONSIDER AND APPROVE THE TRAFFIC COMMISSION'S RECOMMENDATION

FOR TRAFFIC IMPROVEMENTS ON JOHNS CANYON ROAD TO ADDRESS

RESIDENTS' CONCERNS AND FIND THE SAME EXEMPT FROM THE CALIFORNIA

ENVIRONMENTAL QUALITY ACT
FROM: CHRISTIAN HORVATH, CITY CLERK/EXECUTIVE ASSISTANT TO THE CITY

MANAGER
CL_AGN_221114_CC_JohnsCanyonRd_PublicComment02.pdf
9 BLUE FOLDER ITEM (SUPPLEMENTAL)
Blue folder (supplemental) items are additional back up materials to administrative reports, changes to the posted agenda packet, and/or public comments received after the printing and distribution of the agenda packet for receive and file.

CITY COUNCIL MEETING
November 14, 2022

13.A LOS ANGELES COUNTY LAND BANK PROGRAM (DIERINGER)
FROM: CHRISTIAN HORVATH, CITY CLERK/EXECUTIVE ASSISTANT TO THE CITY

MANAGER
CL_AGN_221114_CC_PVE_Letter.pdf
10 Agenda Item No.: 7.A
Mtg. Date: 11/14/2022
TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: CHRISTIAN HORVATH, CITY CLERK / EXECUTIVE ASSISTANT TO

CITY MANAGER
THRU: ELAINE JENG P.E., CITY MANAGER
SUBJECT: APPROVE AFFIDAVIT OF POSTING FOR THE CITY COUNCIL REGULAR MEETING OF NOVEMBER 14, 2022
DATE: November 14, 2022
BACKGROUND:

None.

DISCUSSION:

None.

FISCAL IMPACT:

None.

RECOMMENDATION:

Approve.

ATTACHMENTS:

CL_AGN_221114_CC_AffidavitofPosting.pdf
11 Administrative Report

7.A., File # 1542 Meeting Date: 11/14/2022
To: MAYOR & CITY COUNCIL
From: Christian Horvath, City Clerk
TITLE

APPROVE AFFIDAVIT OF POSTING FOR THE CITY COUNCIL REGULAR MEETING OF NOVEMBER 14, 2022

EXECUTIVE SUMMARY

STATE OF CALIFORNIA )

COUNTY OF LOS ANGELES ) SS

CITY OF ROLLING HILLS )

AFFIDAVIT OF POSTING
In compliance with the Brown Act, the following materials have been posted at the locations below.

Legislative Body City Council
Posting Type Regular Meeting Agenda
Posting Location 2 Portuguese Bend Road, Rolling Hills, CA 90274 City Hall Window
City Website: https://www.rolling-hills.org/government/agenda/index.php https://www.rolling-hills.org/government/city_council/city_council_archive_agendas/index.php Meeting Date & Time November 14, 2022 7:00pm Open Session As City Clerk of the City of Rolling Hills, I declare under penalty of perjury, the document noted above was posted at the date displayed below.

Christian Horvath, City Clerk
Date: November 10, 2022
12 Agenda Item No.: 7.B
Mtg. Date: 11/14/2022
TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: CHRISTIAN HORVATH, CITY CLERK / EXECUTIVE ASSISTANT TO

CITY MANAGER
THRU: ELAINE JENG P.E., CITY MANAGER
SUBJECT: APPROVE MOTION TO READ BY TITLE ONLY AND WAIVE FURTHER

READING OF ALL ORDINANCES AND RESOLUTIONS LISTED ON THE AGENDA
DATE: November 14, 2022
BACKGROUND:

None.

DISCUSSION:

None.

FISCAL IMPACT:

None.

RECOMMENDATION:

Approve.

ATTACHMENTS:
13 Agenda Item No.: 7.C
Mtg. Date: 11/14/2022
TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: CHRISTIAN HORVATH, CITY CLERK / EXECUTIVE ASSISTANT TO

CITY MANAGER
THRU: ELAINE JENG P.E., CITY MANAGER
SUBJECT: APPROVE THE FOLLOWING CITY COUNCIL MINUTES: OCTOBER 24, 2022
DATE: November 14, 2022
BACKGROUND:

None.

DISCUSSION:

None.

FISCAL IMPACT:

None.

RECOMMENDATION:

Approve as presented.

ATTACHMENTS:

CL_MIN_221024_CC_F.pdf
14 MINUTES – CITY COUNCIL MEETING
Monday, October 24, 2022

Minutes
Rolling Hills City Council
Monday, October 24, 2022
Regular Meeting 7:00 p.m.

1. CALL TO ORDER
The City Council of the City of Rolling Hills met in person on the above date at 7:00 p.m. Mayor Black presiding.

2. ROLL CALL
Councilmembers Present: Dieringer, Pieper, Mirsch, Mayor Pro Tem Wilson, Mayor Black Councilmembers Absent: None
Staff Present: Elaine Jeng, City Manager
Christian Horvath, City Clerk / Executive Assistant to the City Manager Patrick Donegan, Deputy City Attorney
John Signo, Planning & Community Services Director
Vanessa Hevener, Senior Management Analyst
Robert Samario, Finance Director

3. PLEDGE OF ALLEGIANCE – Mayor Black

4. PRESENTATIONS/PROCLAMATIONS/ANNOUNCEMENTS – NONE

5. BLUE FOLDER ITEMS (SUPPLEMENTAL)

6. PUBLIC COMMENT ON NON-AGENDA ITEMS
Public Comment: Jim Aichele, Jim Partridge

7. CONSENT CALENDAR

7.A. APPROVE AFFIDAVIT OF POSTING FOR THE CITY COUNCIL REGULAR MEETING OF OCTOBER 24, 2022

7.B. APPROVE MOTION TO READ BY TITLE ONLY AND WAIVE FURTHER READING OF ALL

ORDINANCES AND RESOLUTIONS LISTED ON THE AGENDA

7.C. PULLED BY COUNCILMEMBER DIERINGER

7.D. PAYMENT OF BILLS

7.E. REPUBLIC SERVICES RECYCLING TONNAGE REPORT FOR SEPTEMBER 2022

7.F. RECEIVE AND FILE CEQA FINDINGS ON THE CREST ROAD EAST AND EASTFIELD DRIVE

ELECTRIC UTILITY UNDERGROUNDING PROJECTS

7.G. PULLED BY COUNCILMEMBER DIERINGER

7.H. PULLED BY COUNCILMEMBER DIERINGER
15 MINUTES – CITY COUNCIL MEETING
Monday, October 24, 2022

7.I. PULLED BY COUNCILMEMBER MIRSCH
Motion by Mayor Pro Tem Wilson, seconded by Councilmember Pieper to approve Consent Calendar, excluding Items 7C, 7G, 7H and 7I. Motion carried unanimously with the following vote:

AYES: Dieringer, Pieper, Mirsch, Wilson, Mayor Black
NOES: None
ABSENT: None

8. EXCLUDED CONSENT CALENDAR ITEMS

7.C. APPROVE THE FOLLOWING CITY COUNCIL MINUTES: OCTOBER 10, 2022 Motion by Councilmember Dieringer, seconded by Councilmember Mirsch to 1) amend the first motion’s language of item 12.A in the October 10th minutes to the following: “Motion by Councilmember Pieper, seconded by Mayor Pro Tem Wilson to find that emergency repairs were needed to the storm drain segment on 3 Middleridge Lane North based on the risk of impairment of property;” and 2) revise the friendly amendment in Item 12.B to say “…any work would be consistent with the ADA design…” Motion carried unanimously with the following vote:

AYES: Dieringer, Pieper, Mirsch, Wilson, Mayor Black
NOES: None
ABSENT: None

7.G. ACCEPT BID PROPOSAL FROM EC CONSTRUCTION FOR EMERGENCY STORM DRAIN REPAIR AT 3 MIDDLERIDGE LANE NORTH; ADOPT BY RESOLUTION NO. 1312 APPROVING THE EMERGENCY WORK; ADOPT BY RESOLUTION NO. 1313 AUTHORIZING A BUDGET MODIFICATION OF $40,503.00; DIRECT THE CITY ATTORNEY TO FINALIZE A

CONSTRUCTION CONTRACT AND AUTHORIZE THE CITY MANAGER TO EXECUTE Motion by Councilmember Mirsch, seconded by Councilmember Pieper to approve as presented and correct the compensation amount in the emergency contract to reflect $40,503.00. Motion carried unanimously with the following vote:

AYES: Dieringer, Pieper, Mirsch, Wilson, Mayor Black
NOES: None
ABSENT: None

7.H. APPROVE A PROFESSIONAL SERVICES AGREEMENT WITH S&K CONSULTING SERVICES

TO EVALUATE EXISTING CITY HALL HEATING, VENTILATION AND AIR CONDITIONING (HVAC) AND PROVIDE AN ENGINEERING DESIGN TO CONSTRUCT A WORKING SYSTEM FOR A NOT-TO-EXCEED FEE OF $25,100; ADOPT BY RESOLUTION NO. 1315 AUTHORIZING A BUDGET MODIFICATION OF $25,100
Motion by Councilmember Dieringer, seconded by Councilmember Pieper to approve as presented and add the following language to section 1 (Scope of Services) “Any design shall be consistent with any preliminary design of the ADA improvements.” Motion carried with the following vote:

AYES: Dieringer, Pieper, Wilson, Mayor Black
NOES: Mirsch
ABSENT: None
16 MINUTES – CITY COUNCIL MEETING
Monday, October 24, 2022

7.I. UPDATE ON THE REPLACEMENT OF THE THREE RAIL FENCE, LOCATED ADJACENT TO

PORTUGUESE BEND ROAD NEAR THE MAIN GATE
Presentation by Elaine Jeng, City Manager
Public Comment: Beth Howell, Judy Martin, Stacy Markulis Motion by Councilmember Mirsch, seconded by Councilmember Pieper to receive and file with City Council comments made to be taken into consideration by staff. Motion carried unanimously with the following vote:

AYES: Dieringer, Pieper, Mirsch, Wilson, Mayor Black
NOES: None
ABSENT: None

9. COMMISSION ITEMS – NONE

10. PUBLIC HEARINGS

10.A. RE-ADOPT THE SAFETY ELEMENT TO INCORPORATE THE CITY'S LOCAL HAZARD MITIGATION PLAN IN ACCORDANCE WITH ASSEMBLY BILL 2140
Presentation by John Signo, Planning & Community Services Director Motion by Councilmember Pieper, seconded by Councilmember Dieringer to re-adopt the Safety Element to incorporate the City’s Local Hazard Mitigation Plan in accordance with Assembly Bill 2140. Motion carried unanimously with the following vote:

AYES: Dieringer, Pieper, Mirsch, Wilson, Mayor Black
NOES: None
ABSENT: None
Mayor Black moved to Item 12.B. Without objection, so ordered.

12. NEW BUSINESS

12.B. RECEIVE AND FILE THE CALIFORNIA WATER QUALITY CONTROL BOARD LOS ANGELES

REGION CONDITIONAL APPROVAL OF THE PALOS VERDES PENINSULA ENHANCED

MANAGEMENT PROGRAM (EWMP)
Presentation by Vanessa Hevener, Senior Management Analyst and Kathleen McGowan, Consultant

Motion by Councilmember Pieper, seconded by Councilmember Mirsch to receive and file. Motion carried unanimously with the following vote:

AYES: Dieringer, Pieper, Mirsch, Wilson, Mayor Black
NOES: None
ABSENT: None
Mayor Black moved to Item 12.A. Without objection, so ordered.

12.A. FISCAL YEAR 2022-23 INTERIM FINANCIAL STATEMENTS FOR THE 1ST QUARTER ENDED SEPTEMBER 30, 2022
17 MINUTES – CITY COUNCIL MEETING
Monday, October 24, 2022

Presentation by Robert Samario, Finance Director

Motion by Mayor Pro Tem Wilson, seconded by Councilmember Dieringer accept the FY 2022-23 Interim Financial Statements for the 1st Quarter ended September 30, 2022. Motion carried unanimously with the following vote:

AYES: Dieringer, Pieper, Mirsch, Wilson, Mayor Black
NOES: None
ABSENT: None
Mayor Black moved to Item 12.C. Without objection, so ordered.

12.C. INTRODUCE BY TITLE ONLY ORDINANCE NO. 380, AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF ROLLING HILLS, CALIFORNIA, AMENDING CHAPTER 8.32 TO THE ROLLING HILLS MUNICIPAL CODE RELATING TO STORM WATER AND POLLUTION CONTROL. FOR

INTRODUCTION AND FIRST READING
Presentation by John Signo, Planning & Community Services Director and Kathleen McGowan, Consultant Motion by Councilmember Mirsch, seconded by Mayor Pro Tem Wilson to waive first reading and introduce Ordinance No. 380. Amending Chapter 8.32 to the Rolling Hills Municipal Code relating to storm water and pollution control. Motion carried unanimously with the following vote:

AYES: Dieringer, Pieper, Mirsch, Wilson, Mayor Black
NOES: None
ABSENT: None

12.D. CONSIDER AND APPROVE THE TRAFFIC COMMISSION'S ACTIONS ON SEPTEMBER 29, 2022, INCLUDING TRAFFIC IMPROVEMENTS FOR JOHNS CANYON ROAD TO ADDRESS

RESIDENT CONCERNS
Presentation by John Signo, Planning & Community Services Director and Vanessa Munoz, Traffic Engineer Public Comment: Jim Aichele, Arun Bhumitra

Motion by Councilmember Mirsch, seconded by Mayor Pro Tem Wilson to notify residents on Johns Canyon Road, Morgan Lane, Chestnut Lane and Storm Hill Lane (by phone, email and mail with a copy of the engineer’s recommendations in order to solicit responses) that this item will again be agendized for the November 14, 2022 meeting. Motion carried unanimously with the following vote:

AYES: Dieringer, Pieper, Mirsch, Wilson, Mayor Black
NOES: None
ABSENT: None

12.E. CONSIDER STAY GREEN INC. TO PROVIDE LANDSCAPING SERVICES FOR THE CITY HALL

CAMPUS AND DIRECT STAFF TO PREPARE A PROFESSIONAL SERVICES AGREEMENT Presentation by Elaine Jeng, City Manager
Public Comment: Sean Bennett, Martin McKenna

Motion by Councilmember Dieringer, seconded by Mayor Pro Tem Wilson to continue this item to the November 14, 2022 meeting and provide City Council with both vendor proposals, the staff side by side 18 MINUTES – CITY COUNCIL MEETING
Monday, October 24, 2022

comparison spreadsheet and all information that went into the selection and recommendation process.

Motion carried unanimously with the following vote:

AYES: Dieringer, Pieper, Mirsch, Wilson, Mayor Black
NOES: None
ABSENT: None
Mayor Black moved to Item 11.A. Without objection, so ordered.

11. OLD BUSINESS

11.A. RECEIVE FEEDBACK FROM CAL WATER ON THE OUTDOOR SIREN PROJECT, AND

APPROVE THE SECOND AMENDMENT TO PROFESSIONAL SERVICES AGREEMENT WITH HQE SYSTEMS IN THE AMOUNT OF $6,095 FOR SITING VIABLE OUTDOOR SIREN POLE

LOCATIONS
Presentation by Vanessa Hevener, Senior Management Analyst Public Comment: Alfred Visco
Motion by Councilmember Pieper, seconded by Councilmember Mirsch directing staff approving up to 20 hours of technical service with HQE to determine next steps related to determining feasibility of potential City or Cal Water sites as proposed. Motion carried with the following vote:

AYES: Dieringer, Pieper, Mirsch, Wilson
NOES: Mayor Black
ABSENT: None

11.B. CONSIDER ADDITIONAL IMPROVEMENTS TO COURT 1 REQUESTED BY THE TENNIS CLUB

AND THE ROLLING HILLS COMMUNITY ASSOCIATION, AND PROVIDE DIRECTION TO STAFF Presentation by Elaine Jeng, City Manager
Public Comment: Alfred Visco
Motion by Mayor Pro Tem Wilson, seconded by Councilmember Dieringer directing Councilmember Pieper to communicate to the Rolling Hills Community Association, the Council’s support for the modification requests outlined as follows:
• Expanding the court footprint by 5 feet to be 120' x 60'; • Ensuring the corner cutoff design from the ADA Improvement plans was removed; • Modifying the fencing along the west side for better spectator viewing by lowering the fence height from 10 feet to 3 feet;
• Adding acoustical treatments to the fencing and/or add fencing along the property line with acoustical treatments, and
• Adding entrance gates at the 60' mark alongside the new patio treatment • The RHCA shall take the lead on the project and be responsible for the costs of the project.

Motion carried unanimously with the following vote:

AYES: Dieringer, Pieper, Mirsch, Wilson, Mayor Black
NOES: None
ABSENT: None
19 MINUTES – CITY COUNCIL MEETING
Monday, October 24, 2022

Mayor Black moved to Item 13.A. Without objection, so ordered.

13. MATTERS FROM THE CITY COUNCIL

13.A. COMMENT ON THE ADOPTION OF THE 6TH CYCLE HOUSING ELEMENT, AND PENDING

PLAN CERTIFICATION BY THE STATE (PIEPER)
Councilmember Pieper expressed some thoughts on the Housing Element and current concerns other municipalities are experiencing.

Councilmember Dieringer requesting agendizing a discussion about LA County’s proposed Land Bank for November 14, 2022.

14. MATTERS FROM STAFF

14.A. PALOS VERDES PENINSULA LAND CONSERVANCY TOURS OF THE FIRE FUEL ABATEMENT

WORK IN THE PRESERVE COMMISSIONED BY THE CITY OF ROLLING HILLS Planning & Community Services Director John Signo reported on the dates for the tours.

14.B. ANNOUNCEMENT OF SECOND EMERGENCY NOTIFICATION EXERCISE SCHEDULED FOR OCTOBER 26, 2022
Christian Horvath, City Clerk / Executive Assistant to the City Manager reported on the upcoming Alert South Bay Citywide Emergency Notification exercise.

15. RECESS TO CLOSED SESSION
Mayor Black recessed the City Council to Closed Session at 10:40 p.m.

15.A. EMPLOYEE PERFORMANCE EVALUATION GOVERNMENT CODE SECTION 54957, TITLE

CITY MANAGER

16. RECONVENE TO OPEN SESSION
The City Council reconvened to Open Session at 12:10 a.m. on October 25, 2022 and there was no reportable action.

17. ADJOURNMENT: 12:10 A.M.

Hearing no further business before the City Council, the meeting was adjourned in memory of resident Ann Carley at 12:10 a.m on October 25, 2022. The next regular meeting of the City Council is scheduled to be held on Monday, November 14, 2022 beginning at 7:00 p.m. in the City Council Chamber at City Hall, 2 Portuguese Bend Road, Rolling Hills, California. It will also be available via City’s website link at:
https://www.rolling-hills.org/government/agenda/index.php All written comments submitted are included in the record and available for public review on the City website. 20 MINUTES – CITY COUNCIL MEETING
Monday, October 24, 2022

Respectfully submitted,
____________________________________
Christian Horvath, City Clerk
Approved,
____________________________________
James Black, M.D., Mayor
21 Agenda Item No.: 7.D
Mtg. Date: 11/14/2022
TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: CHRISTIAN HORVATH, CITY CLERK / EXECUTIVE ASSISTANT TO

CITY MANAGER
THRU: ELAINE JENG P.E., CITY MANAGER
SUBJECT: PAYMENT OF BILLS.

DATE: November 14, 2022
BACKGROUND:

None.

DISCUSSION:

None.

FISCAL IMPACT:

None.

RECOMMENDATION:

Approve as presented.

ATTACHMENTS:

CL_AGN_221114_CC_PaymentOfBills.pdf
22 CITY OF ROLLING HILLS
AP23-012 & AP23-013, & ACH23-021 Check Run 10-19-TO 11-14-2022 Check No:- Checlc: Dl\lte Pa.yea
027818 11/1/2022 Abila
027819 11/1/2022 Bennett Landscape
027820 11/1/2022 Best Best & Krieger LLP
027820 11/1/2022 Best Best & Krieger LLP

CHECK TOTAL
027821 11/1/2022 Chambers Group
027822 11/1/2022 Executive Suite Services Inc.
027822 11/1/2022 Executive Suite Services Inc.

CHECK TOTAL
027823 11/1/2022 Forum Info-Tech. lnc./Levelcloud
027823 11/1/2022 Forum Info-Tech. lnc./Levelcloud
027824 11/1/2022 Granicus
027825 11/1/2022 LA County Sheriff's Department
027826 11/1/2022 McGowan Consulting
027827 11/112022 Peninsula Seniors
027828 111112022 Women's Community Club of Rolling Hills 027828 11/112022 Women's Community Club of Rolling Hills

CHECK TOTAL
027829 11/112022 Willdan Inc.
027830 111812022 Abila
027830 11/812022 Abila

CHECK TOTAL
027831 11/812022 Alan Palermo Consulting
027832 11/8/2022 Bennett Landscape
027832 11/812022 Bennett Landscape
CHECK TOTAL:.
027833 11/812022 Best Best & Krieger LLP
027834 11/8/2022 Black Box Audio Video Services
027835 11/812022 Cox Communications
027836 11/8/2022 HOE Systems Inc
027837 1118/2022 ICMA
027838 11/812022 John Signo
027839 111812022 County of Los Angeles
027840 11/812022 MV CHENG AND ASSOCIATES
027841 11/812022 Orkin
027842 11/8/2022 Rolling Hills Community Assn.

ACH-125 10/21/2022 CalPERS
ACH-126 10121/2022 Vantagepoint Transfer Agents -306580 ACH-127 10/25/2022 Delta Dental
ACH-128 10/25/2022 The Gas Company
ACH-129 10/25/2022 Nexliva
,.oe�crrptkiri Amount
10-18-2022 - 11-17-2022 Accounting Software 98.38
Landscape Maint Services MARLEX BROKE 2022 87.36
General Services & Undergrounding Services- SEPT 2022 6,707.00 Land Use-Professional Services September 2022 2,622.00
$ 9,329.00
Professional SElrvices SEPTEMBER 2022 Project 21330 14,978.67 October 2022 Monthly Janitorial Svcs 1,360.00
September 2022 Monthly Janitorial Svcs 1,360.00
$ 2,720.00
August Cloud Hosting 5,341.47
October Cloud Hosting 5,533.04
Encoding Appliance HDW-WOWZA 3,805.26
September 1,447.44
Municipal Stormwater Consulting Services Sept 22 9,459.00 Grant For 2022 Community Services 2,000.00
Reimbursement for Expenses Jan to June 2022 1,878.20
Reimbursement for Stone Fountain 1,308.75
$ 3,186.95
Professional Services Sept 22 Project 105238 .00 2,022.50 09-18-2022 - 10-17-2022 Accounting Software 98.36
11-18-2022 - 12-17-2022 Accounting Software 202.59
$ 300.95
City Hall ADA Design Oct 2022 1,200.00
Landscape Maint Services November 2022 693.00
Repairs to lrregations Systems 332.40
$ 1,025.40
CPUC COMPLAINT RE FRONTIER SEPT 2022 325.00
Repair work at City Hall 4,940.00
Phone Service Oct 26 - Nov 25 2022 154.25
City of RH Emergency Mass Notification Consulting 6,780.00 ICMA Renewal 1,200.00
AICPIAPA RENEWAL MEMBERSHIP 788.00
September 2022 Animal care Housing Costs 678.26
Monthly Accounting Services October 2022 11,878.75
Monthly Pest Control October 2022 158.00
Reimbursement for City Hall 837.21
PERS RETIREMENT PR ENDING 10-18-22 4,041.27
ICMA PR ENDING 10-18-22 1,912.49
DEL TA INSURANCE FOR NOVEMBER 1,442.68
GAS USAGE FROM 9-8-22 TO 10-7-22 22.58
BUSINESS PHONE SERVICE OCTOBER INVOICE 305.64
23 24
Agenda Item No.: 7.E
Mtg. Date: 11/14/2022
TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: JOHN SIGNO, DIRECTOR OF PLANNING & COMMUNITY SERVICES THRU: ELAINE JENG P.E., CITY MANAGER
SUBJECT: FOR SECOND READING AND ADOPTION. ADOPT BY TITLE ONLY ORDINANCE NO. 380, AN ORDINANCE OF THE CITY COUNCIL OF

THE CITY OF ROLLING HILLS, CALIFORNIA, AMENDING CHAPTER

8.32 TO THE ROLLING HILLS MUNICIPAL CODE RELATING TO

STORM WATER AND POLLUTION CONTROL, AND FINDING THE
ACTION TO BE EXEMPT FROM CEQA.

DATE: November 14, 2022
BACKGROUND:

On October 24, 2022, the City Council waived first reading and introduced by title only Ordinance No. 380, amending Chapter 8.32 of the Rolling Hills Municipal Code (RHMC) relating to storm water and pollution control.

The City has been discussing stormwater mitigation measures on private improvements projects over the past year. On September 27, 2021, the City Council and Planning Commission held a joint study session to discuss stormwater mitigation measures on private improvement projects. On March 15, 2022, a follow up item was discussed with the Planning Commission to consider a policy for low impact development (LID) standards. On October 18, 2022, the Planning Commission held a meeting to discuss the revisions to Chapter 8.32 and voted, 4-0 (Cardenas absent), to adopt Resolution No. 2022-18 recommending that the City Council approve the Ordinance amending RHMC Chapter 8.32.

Ordinance No. 380 revises Chapter 8.32 to align with the provisions of the Regional Municipal NPDES Stormwater Permit (Regional Stormwater Permit) to provide clarity as to the requirements and the City’s authority to enforce them. As a permittee, the City is required to establish and maintain adequate legal authority to control pollutant discharges into the municipal separate storm sewer system (MS4) and to enforce the provisions of the Regional Stormwater Permit as applicable within the City’s jurisdiction.

The City Attorney will need to prepare an updated statement of legal authority for submittal to 25 the LA Water Board with the City’s annual report due on December 15, 2022.

DISCUSSION:

McGowan Consulting performed a review and prepared a draft revision of RHMC Chapter

8.32 for consistency and alignment with the technical and regulatory requirements in the Regional Stormwater Permit. While the changes in the Regional Stormwater Permit over the previous permit did not necessitate the addition of new sections in the RHMC Chapter 8.32, there were terminology changes and more nuanced changes to the requirements in the permit which resulted in proposed changes to most sections in the chapter. A summary of notable changes proposed to the RHMC Chapter 8.32 for consistency with the Regional Stormwater Permit follows:

8.32.040 Definitions
Updates existing definitions and adds key regulatory definitions applicable to development projects, such as “Biofiltration”, “Bioretention”, “Low Impact Development”, “Natural Drainage Systems”, and “Priority Development Projects”.

8.32.090 Requirements for construction activities
Specifies that evidence of coverage under applicable permits, including the statewide construction general permit for sites disturbing one acre or more, shall be provided to the City prior to issuance of building or grading permits.

Reduces specificity of requirements for construction best management practices at sites disturbing one acre or more and instead refers to requirements in the statewide construction general permit for required best management practices.

8.32.095 Planning and Land Development Program Requirements for New Development and Redevelopment Projects
Lists the types of new and redevelopment projects categorized as Priority Development Projects subject to the stormwater retention/performance requirements of the Municipal NPDES permit.

Provides that development projects may be conditioned to conserve natural areas, protect slopes and channels, minimize impervious areas, and divert roof runoff and surface flows to vegetated areas before discharge unless the diversion would result in slope instability. 26 Specifies that prior to the issuance of grading, building or construction permits, applicable post construction stormwater mitigation plans for Priority Development Projects, including site design elements and placement of stormwater control measures, shall be included on project plans and submitted along with detailed sizing calculations for structural or treatment control measures for review and approval by the City.

Allows for alternative stormwater mitigation measures on Priority Development Projects when a demonstration is made that it is technically infeasible to retain the stormwater quality design volume onsite.

Provides that Priority Development Projects disturbing one acre or more of area must demonstrate that hydromodification control criteria are met in addition to meeting low impact development (LID) requirements, while projects disturbing less than one acre may comply with hydromodification requirements by implementing LID requirements.

California Environmental Quality Act
The action to adopt the Ordinance is not subject to the California Environmental Quality Act (CEQA) based on Sections 15060(c)(2) (the activity will not result in a direct or reasonably foreseeable indirect physical change in the environment) and 15060(c)(3) (the activity is not a project as defined in Section 15378) of the CEQA Guidelines, California Code of Regulations, Title 14, Chapter 3, because it has no potential for resulting in physical change to the environment, directly or indirectly. Alternatively, the adoption of the Ordinance is exempt from CEQA because it can be seen with certainty that there is no possibility that the activity in question may have a significant effect on the environment. (State CEQA Guidelines, § 15061(b)(3).)
FISCAL IMPACT:

None.

RECOMMENDATION:

Adopt by title only Ordinance No. 380, amending Chapter 8.32 to the Rolling Hills Municipal Code relating to storm water and pollution control.

ATTACHMENTS:

CL_ORD_380_Stormwater_D.pdf
PW_NPDES_MS4_RHMC_Chapter_8.32_Stormwater(FinalDraft2)redline.pdf 27 65277.00010\40788424.1
ORDINANCE NO. 380

AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF

ROLLING HILLS, CALIFORNIA, AMENDING CHAPTER

8.32 OF THE ROLLING HILLS MUNICIPAL CODE

REGARDING STORM WATER MANAGEMENT AND

POLLUTION CONTROL AND FINDING THE ACTION TO

BE EXEMPT FROM CEQA
WHEREAS, the Federal Clean Water Act (33 U.S.C. Sections 1251, et seq.) provides for the regulation and reduction of pollutants discharged into the waters of the United States by extending National Pollutant Discharge Elimination System (hereinafter "NPDES") requirements to storm water and dry weather runoff discharge into storm drain systems; and
WHEREAS, storm water and dry weather runoff flows from individual properties in the City into natural drainage courses and storm drains owned by other agencies prior to reaching surface waters also known as receiving waters; and WHEREAS, the City of Rolling Hills is a co-permittee under the Municipal NPDES Permit authorized by the Federal Clean Water Act. As a co-permittee, the City is required to maintain adequate legal authority within its respective jurisdiction to control pollutant discharges and to require the use of control measures to prevent or reduce the discharge of pollutants to achieve water quality standards; and
WHEREAS, in order to control, in a cost-effective manner, the quantity and quality of storm water and dry weather runoff to the maximum extent practicable, the adoption of reasonable regulations is essential; and
WHEREAS, on July 23, 2021, the Los Angeles Regional Water Quality Control Board (LA Water Board) adopted the Regional Municipal NPDES Stormwater Permit, which became effective on September 11, 2021, to replace the previous 2012 Municipal NPDES Stormwater Permit. As a permittee, the City is required to establish and maintain adequate legal authority to control pollutant discharges into the municipal separate storm sewer system (MS4) and to enforce the provisions of the Regional Stormwater Permit as applicable within the City’s jurisdiction; and
WHEREAS, the City desires to amend the Rolling Hills Municipal Code (“RHMC”) to keep it in compliance with the Regional Municipal NPDES Stormwater Permit; and WHEREAS, this ordinance (the “Ordinance”) amends the RHMC to address storm water management and pollution control; and
WHEREAS, on October 18, 2022, the Planning Commission considered the staff report, recommendations by staff, and public testimony concerning this Ordinance. The Planning Commission voted, 4-0 (with one absence), to forward the Ordinance to the City Council with a recommendation in favor of its adoption; and 28 65277.00010\40788424.1
2 ORDINANCE NO. 380
Stormwater
WHEREAS, on October 24, 2022, the City Council considered the Ordinance, including: (1) the public testimony and agenda reports prepared in connection with the Ordinance, (2) the policy considerations discussed therein, and (3) the consideration and recommendation by the Planning Commission; and
WHEREAS, all legal prerequisites to the adoption of the Ordinance have occurred.

NOW, THEREFORE, THE CITY COUNCIL OF THE CITY OF ROLLING HILLS DOES HEREBY ORDAIN AS FOLLOWS:

SECTION 1. Recitals. The Recitals above are true and correct and are hereby adopted as findings as if fully set forth herein.

SECTION 2. CEQA. The City Council finds that adoption of this Ordinance is not subject to the California Environmental Quality Act (CEQA) pursuant to Sections 15060(c)(2) (the activity will not result in a direct or reasonably foreseeable indirect physical change in the environment) and 15060(c)(3) (the activity is not a project as defined in Section 15378) of the CEQA Guidelines, California Code of Regulations, Title 14, Chapter 3, because it has no potential for resulting in physical change to the environment, directly or indirectly. Alternatively, the adoption of this ordinance is exempt from CEQA because it can be seen with certainty that there is no possibility that the activity in question may have a significant effect on the environment. (State CEQA Guidelines, § 15061(b)(3).)
SECTION 3. Consistency with the Rolling Hills Municipal Code. The Ordinance’s amendments to Chapter 8.32 of the Rolling Hills Municipal Code are consistent with, and in furtherance of, the City’s intent to protect and enhance the quality of watercourses, water bodies, and wetlands within the City in a manner consistent with the Federal Clean Water Act, the California Porter-Cologne Water Quality Control Act and the Municipal NPDES Permit; and provide the City with the legal authority necessary to implement and enforce the requirements contained in 40 CFR § 122.26(d)(2)(i)(A—F) and in the Municipal NPDES Permit to the extent they are applicable in the City of Rolling Hills.

SECTION 4. Code Amendment. Based on the foregoing recitals and findings, the City Council hereby approves and adopts the code amendments attached as Exhibit “A” hereto and incorporated herein by reference.

SECTION 5. Severability. If any provision of this Ordinance is declared to be invalid by a court of competent jurisdiction, it shall not affect any remaining provision hereof. The City Council of the City of Rolling Hills hereby declares that it would have adopted this Ordinance despite any partial invalidity.

SECTION 6. Effective Date. This Ordinance takes effect 30 days following its adoption.
29 65277.00010\40788424.1
3 ORDINANCE NO. 380
Stormwater
SECTION 7. Certification. The City Clerk is hereby directed to certify to the passage and adoption of this Ordinance; cause the same, or a summary thereof, to be published or posted in the manner required by law; and file a notice of exemption within five business days after adoption of the Ordinance.

PASSED, APPROVED and ADOPTED this 14th day of November, 2022. ____________________________
James Black, Mayor
ATTEST:
______________________________
Christian Horvath, City Clerk

30 65277.00010\40788424.1
4 ORDINANCE NO. 380
Stormwater

STATE OF CALIFORNIA )
COUNTY OF LOS ANGELES ) §§

CITY OF ROLLING HILLS )
I, Christian Horvath, City Clerk of the City of Rolling Hills, California, do hereby certify that the foregoing Ordinance No. 380 was adopted at a regular meeting of the City Council of the City of Rolling Hills held on the 14th day of November, 2022, by the following vote:

AYES:

NOES:

ABSENT:

ABSTAIN:
______________________________
Christian Horvath
City Clerk
31 Title 8 ‐ HEALTH AND SAFETY
Chapter 8.32 STORM WATER MANAGEMENT AND POLLUTION CONTROL Rolling Hills, California, Code of Ordinances
(Supp. No. 26)

Chapter 8.32 STORM WATER MANAGEMENT AND POLLUTION CONTROL1

8.32.010 Title.

This chapter shall be known as the "City of Rolling Hills Storm Water Management and Pollution Control Ordinance."
(Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.020 Findings.

A. The Federal Clean Water Act (33 U.S.C. Sections 1251, et seq.) provides for the regulation and reduction of pollutants discharged into the waters of the United States by extending National Pollutant Discharge Elimination System (hereinafter "NPDES") requirements to storm water and dry weather runoff discharge into storm drain systems.

B. Storm water and dry weather runoff flows from individual properties in the City into natural drainage courses and storm drains owned by other agencies prior to reaching surface waters also known as receiving waters.

C. The City of Rolling Hills is a co‐permittee under the Municipal NPDES Permit authorized by the Federal Clean Water Act. As a co‐permittee, the City is required to maintain adequate legal authority within its respective jurisdiction to control pollutant discharges and to require the use of control measures to prevent or reduce the discharge of pollutants to achieve water quality standards.

D. In order to control, in a cost‐effective manner, the quantity and quality of storm water and dry weather runoff to the maximum extent practicable, the adoption of reasonable regulations, as set forth herein, is essential.

E. The City of Rolling Hills is a unique, low density residential community where development consists of single‐ family residential homes on large estate‐size lots; the only nonresidential development in the City consists of City administration buildings, a fire station, water reservoirs, and a public school campus.

F. All roadways in the City are privately owned and maintained by the Rolling Hills Community Association. The City of Rolling Hills does not own or operate a municipal separate storm sewer system. Natural drainage courses within the City are located on private property.

G. Properties with geologic instability throughout the City and the hillside topography of the entire community make it difficult and in some instances hazardous for property owners to have storm water retention on site if such retention will result in absorption of water in slide planes.

H. All the properties within the City limits are under the constraints and limitations of CC&Rs of the Rolling Hills Community Association.

1 Editor's note(s)—Ord. No. 334, § 3(Exh. A), adopted June 24, 2013, amended ch. 8.32 in its entirety to read as herein set out. Former ch. 8.32, §§ 8.32.010—8.32.110, pertained to storm water and urban runoff pollution control, and derived from Ord. No. 267, § 1(part), adopted 1996; Ord. No. 284, §§ 1—6, adopted 2001; Ord.

No. 289‐U, §§ 1—8, 10—15, adopted 2002.

Exhibit "A"
32 (Supp. No. 26)

(Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.030 Purpose and intent.

A. The purpose of this chapter is to comply with the Federal Clean Water Act, the California Porter‐Cologne Water Quality Control Act, and the Municipal NPDES Permit by:

1. Reducing pollutants in storm water discharge to the maximum extent practicable;

2. Regulating illicit connections and illicit discharges and thereby reducing the level of contamination of storm water and dry weather runoff into receiving waters; and

3. Regulating non‐storm water discharges to the storm sewer system.

B. The intent of this chapter is to:

1. Protect and enhance the quality of watercourses, water bodies, and wetlands within the City in a manner consistent with the Federal Clean Water Act, the California Porter‐Cologne Water Quality Control Act and the Municipal NPDES Permit;

2. Provide the City with the legal authority necessary to implement and enforce the requirements contained in 40 CFR § 122.26(d)(2)(i)(A—F) and in the Municipal NPDES Permit to the extent they are applicable in the City of Rolling Hills; and

3. Set forth compliance measures for the construction and operation of storm water mitigation measures required for certain "New Development" and "Redevelopment", and other projects (as further defined herein) as prescribed in the current version of the Municipal NPDES Permit approved by the Regional Water Quality Control Board‐Los Angeles Region, and on file in the office of the City Clerk of this City.

This chapter authorizes the City Manager or his/her designee to serve as an authorized enforcement officer to define and adopt applicable Best Management Practices (BMPs) and other storm water pollution control measures, to grant emergency self‐waivers, as necessary, and to cite infractions and to impose fines pursuant to this chapter. Except as otherwise provided herein, the authorized enforcement officer shall administer, implement, and enforce the provisions of this section. (Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.040 Definitions.

Except as specifically provided herein, any term used in this chapter shall be defined as that term defined in the current Municipal NPDES Permit, or if it is not specifically defined in the Municipal NPDES Permit, then as such term is defined in the Federal Clean Water Act, as amended, and/or the regulations promulgated thereunder. The following definitions apply to this chapter only:
"Area susceptible to runoff" means any surface directly exposed to precipitation or in the path of runoff caused by precipitation.
"Authorized enforcement officer" means the City Manager or his or her designee. "Best Management Practices (BMPs)" means practices or physical devices or systems designed to prevent or reduce pollutant loading from storm water or non‐storm water discharges to receiving waters, or designed to reduce the volume of storm water or non‐storm water discharged to the receiving water. Examples of BMPs may include public education and outreach, proper planning of development projects, and proper sludge‐ or waste‐ handling and disposal, among others.
33 (Supp. No. 26)

“Biofiltration” is a low impact development (LID) BMP that reduces stormwater pollutant discharges by intercepting rainfall on vegetative canopy, and through incidental infiltration and/or evapotranspiration, and filtration. Incidental infiltration is an important factor in achieving the required pollutant load reduction.

Biofiltration BMPs include bioretention systems with an underdrain and bioswales. “Bioretention” is an LID BMP that reduces stormwater runoff by intercepting rainfall on vegetative canopy, and through evapotranspiration and infiltration. The bioretention system typically includes a minimum 2‐foot top layer of a specified soil and compost mixture underlain by a gravel‐filled temporary storage pit dug into the in‐situ soil. As defined in the Municipal NPDES Permit, a bioretention BMP may be designed with an overflow drain but may not include an underdrain. When a bioretention BMP is designed or constructed with an underdrain it is regulated as a biofiltration BMP.
"City" means the City of Rolling Hills.
"Construction" means any construction or demolition activity, clearing, grading, grubbing, excavation, or any other activities that result in soil disturbance. Construction includes structure teardown and demolition. It does not include routine maintenance activities required to maintain the integrity of structures by performing minor repair and restoration work, original line and grade, hydraulic capacity, or original purpose of facility; emergency construction activities required to immediately protect public health and safety (including fire prevention); clearing and grubbing of vegetation for landscape maintenance and fire prevention which is not associated with a larger construction project; interior remodeling with no outside exposure of construction material or construction waste to storm water; mechanical permit work; or sign permit work. See "Routine Maintenance" definition below. "Construction General Permit" means the NPDES General Permit for Storm Water Discharges Associated with Construction and Land Disturbance Activities issued by the State Water Board, which authorizes the discharge of stormwater from construction activities under certain conditions. "Control" means to minimize, reduce, eliminate, or prohibit by technological, legal, contractual or other means, the discharge of pollutants from an activity or activities. "Development" means any construction, rehabilitation, redevelopment or reconstruction of any public or private residential project or mass grading for future construction. It does not include routine maintenance to maintain original line and grade, hydraulic capacity, or original purpose of facility, nor does it include emergency construction activities required to immediately protect public health and safety. "Directly Adjacent" means situated within two hundred feet of the contiguous zone required for the continued maintenance, function, and structural stability of the environmentally sensitive area. "Director" means the City Manager or his or her designee. "Discharge" means when used without qualification the "discharge of a pollutant." "Discharging directly" means outflow from a drainage conveyance system that is composed entirely or predominantly of flows from the subject, property, development, subdivision, or industrial facility, and not commingled with the flows from adjacent lands.
"Discharge of a Pollutant" means: any addition of any "pollutant" or combination of pollutants to "waters of the United States" from any "point source" or, any addition of any pollutant or combination of pollutants to the waters of the "contiguous zone" or the ocean from any point source other than a vessel or other floating craft which is being used as a means of transportation. The term discharge includes additions of pollutants into waters of the United States from: surface runoff which is collected or channeled by man; discharges through pipes, sewers, or other conveyances owned by a State, municipality, or other person which do not lead to a treatment works; and discharges through pipes, sewers, or other conveyances, leading into privately owned treatment works. "Discretionary project" is defined in the same manner as Section 15357 of the Guidelines For Implementation Of The California Environmental Quality Act contained in Title 14 of the California Code Of 34 (Supp. No. 26)

Regulations, as amended, and means a project which requires the exercise of judgment or deliberation when the City decides to approve or disapprove a particular activity, as distinguished from situations where the City merely has to determine whether there has been conformity with applicable statutes, ordinances, or regulations. "Disturbed Area" means an area that is altered as a result of clearing, grading, and/or excavation, unless solely for the purposes of landscape maintenance or fire prevention. "Good housekeeping practices" means common practices related to the storage, use or cleanup of materials, performed in a manner that minimizes the discharge of pollutants. Examples include, but are not limited to, purchasing only the quantity of materials to be used at a given time, use of alternative and less environmentally harmful products, cleaning up spills and leaks, and storing materials in a manner that will contain any leaks or spills.
"Illicit connection" means any human‐made conveyance that is connected to the storm drain system without a permit, excluding roof‐drains and other similar type connections. Examples include channels, pipelines, conduits, inlets or outlets that are connected directly to the storm drain system. "Illicit discharge" means any discharge to the storm drain system that is prohibited under local, state or federal statutes, ordinances, codes or regulations. The term illicit discharge includes all non‐storm water discharges except authorized non‐storm water discharges; conditionally exempt non‐storm water discharges; and non‐storm water discharges resulting from natural flows specifically identified in the Municipal NPDES Permit. "Infiltration" means the downward entry of water into the surface of the soil. "Inspection" means entry and the conduct of an on‐site review of structures and devices on a property, at reasonable times, to determine compliance with specific municipal or other legal requirements. The steps involved in performing an inspection, include, but are not limited to:

1. Pre‐inspection documentation research;

2. Request for entry;

3. Interview of property owner, resident and/or occupant(s);

4. Property walk‐through;

5. Visual observation of the condition of property;

6. Examination and copying of records as required;

7. Sample collection (if necessary or required);

8. Exit discussion (to discuss preliminary evaluation) as appropriate; and

9. Report preparation, and if appropriate, recommendations for coming into compliance. "Low Impact Development (LID)" means implementation of systems and practices that use or mimic natural processes to: 1) infiltrate and recharge, 2) evapotranspire and/or 3) harvest and use precipitation near to where it falls to earth.
"Material" means any substance including, but not limited to: garbage and debris; lawn clippings, leaves and other vegetation; biological and fecal waste; sediment and sludge; oil and grease; gasoline; paints, solvents, cleaners and any fluid or solid containing chemicals.
"Municipal NPDES Permit" means the "Waste Discharge Requirements and National Pollutant Discharge Elimination System (NPDES) Permit for Municipal Separate Storm Sewer System (MS4) Discharges within the Coastal Watersheds of Los Angeles and Ventura Counties” (Order No. R4‐2021‐0105), NPDES Permit No.

CAS004004, effective September 11, 2021, issued by the California Regional Water Quality Control Board—Los Angeles Region, and any successor permit to that permit. 35 (Supp. No. 26)

"Municipal separate storm sewer system" or "MS4" means a conveyance or system of conveyances (including roads with drainage systems, municipal streets, catch basins, curbs, gutters, ditches, manmade channels, or storm drains):

1. Owned or operated by a state, city, town borough, county, parish, district, association, or other public body (created by or pursuant to State law) having jurisdiction over disposal of sewage, industrial wastes, storm water, or other wastes, including special districts under State law such as a sewer district, flood control district or drainage district, or similar entity, or an Indian tribe or an authorized Indian tribal organization, or a designated and approved management agency under section 208 of the CWA that discharges to waters of the United States;

2. Designed or used for collecting or conveying storm water;

3. Which is not a combined sewer; and

4. Which is not part of a Publicly Owned Treatment Works (POTW) as defined in 40 CFR 122.2. "Natural Drainage Systems" means drainage courses that have not been modified using engineering controls or drainage systems that are tributary to a natural drainage system.  Examples of engineering modifications to a drainage course include channelization, armoring with concrete, and application of riprap. The clearing or dredging of a natural drainage system does not constitute a “modification” for purposes of this definition. "New development" means land disturbing activities; structural development, including construction or installation of a building or structure, creation of impervious surfaces; and land subdivision. "New development” is not land disturbing activities solely involving landscaping or fire prevention. "Non‐storm water discharge" means any discharge into the MS4 or from the MS4 into a receiving water that is not composed entirely of storm water.
"NPDES" or "National Pollutant Discharge Elimination System" means the national program for issuing, modifying, and revoking and reissuing, terminating, monitoring and enforcing permits, and imposing and enforcing pretreatment requirements, under Clean Water Act Section 307, 402, 318, and 405. "Pollutant" means those "pollutants" defined in Section 502(6) of the Federal Clean Water Act (33 U.S.C.

Section 1362(6)), or incorporated into California Water Code Section 13373. Examples of pollutants include, but are not limited to the following:

1. Commercial and industrial waste (such as fuels, solvents, detergents, plastic pellets, hazardous substances, fertilizers, pesticides, slag, ash and sludge);

2. Metals such as cadmium, lead, zinc, copper, silver, nickel, chromium; and non‐metals such as phosphorus and arsenic;

3. Petroleum hydrocarbons (such as fuels, lubricants, surfactants, waste oils, solvents, coolants and grease);

4. Excessive eroded soils, sediment and particulate materials in amounts which may adversely affect the beneficial use of the receiving waters, flora or fauna of the State;

5. Animal wastes (such as discharge from confinement facilities, kennels, pens, recreational facilities, stables and show facilities);

6. Substances having characteristics such as pH less than six or greater than nine, or unusual coloration or turbidity, or excessive levels of fecal coliform, or fecal streptococcus, or enterococcus. “Priority Development Project” means land development projects subject to the City’s planning and building authority which are required to implement post‐construction stormwater control measures to meet the Priority Development Project Structural BMP Performance Requirements of the Municipal NPDES Permit. 36 (Supp. No. 26)

"Project" means all development, redevelopment, and land disturbing activities excluding landscaping projects.
"Rain event" means a rainfall event that produces more than 0.1 inch of precipitation in twenty‐four hours unless specifically stated otherwise.
“Rainfall Harvest and Use” is an LID BMP system designed to capture runoff and to provide for temporary storage until the harvested water can be used for irrigation or non‐potable uses.  The harvested water may also be used to replace certain potable water uses such as toilet flushing if the system includes disinfection treatment and is approved for such use by the local building department. "Redevelopment" includes, but is not limited to: the expansion of a building footprint; addition or replacement of a structure; replacement of impervious surface area that is not part of a routine maintenance activity; and land disturbing activities related to structural or impervious surfaces. It does not include routine maintenance to maintain original line and grade, hydraulic capacity, or original purpose of facility, nor does it include emergency construction activities required to immediately protect public health and safety. "Regional Board" means the California Regional Water Quality Control Board‐Los Angeles Region. "Routine Maintenance" includes, but is not limited to projects conducted to:

1. Maintain the original line and grade, hydraulic capacity, or original purpose of the facility;

2. Perform as needed restoration work to preserve the original design grade, integrity and hydraulic capacity of flood control facilities;

3. Carry out road shoulder work, regrading dirt or gravel roadways and shoulders and performing ditch cleanouts;

4. Update existing lines and facilities, including the replacement of existing lines with new materials or pipes, to comply with applicable codes, standards, and regulations regardless if such projects result in increased capacity;

5. Repair leaks;

6. Conduct landscaping activities without changing existing or natural grades; and

7. Conduct disking and grubbing for fire prevention.

Routine maintenance does not include construction of new lines or facilities resulting from compliance with applicable codes, standards and regulations. New lines are those that are not associated with existing facilities and are not part of a project to update or replace existing lines. "Runoff" means any runoff including storm water and dry weather flows from a drainage area that reaches a receiving water body or subsurface. During dry weather it is typically comprised of base flow either contaminated with pollutants or uncontaminated, and nuisance flows.
"Significant Ecological Area" means an area that has been officially designated as having irreplaceable biological resources as part of the Los Angeles County General Plan. "Simple LID BMP" means a BMP constructed above ground on a single‐family residential home that can be readily inspected by a homeowner or inspector. Simple LID BMPs do not require an operation and maintenance plan per the Municipal NPDES Permit. Examples of such BMPs include, but are not limited to, vegetated swales, rain barrels and above ground cisterns, rain gardens, and pervious pavement. "Site" means the land or water area where any "structure or activity" is physically located or conducted, including adjacent land used in connection with the structure or activity. 37 (Supp. No. 26)

"Source control BMP" means any schedule of activities, prohibition of practices, maintenance procedures, managerial practices or operational practices that aim to prevent storm water pollution by reducing the potential for contamination at the source of pollution.
"Storm water" or “stormwater” means storm water runoff and surface runoff and drainage related to precipitation events (pursuant to 40 CFR § 122.26(b)(13); 55 Fed. Reg. 47990, 47996 (Nov. 16, 1990)). "Structural BMP" means any structural facility designed and constructed to mitigate the adverse impacts of storm water and dry weather runoff pollution. Structural BMPs may include stormwater retention BMPs, treatment control BMPs and source control BMPs(e.g., canopy, structural enclosure). "Treatment" means the application of engineered systems that use physical, chemical, or biological processes to remove pollutants. Such processes include, but are not limited to, filtration, gravity settling, media adsorption, biodegradation, biological uptake, chemical oxidation and UV radiation. "Treatment control BMP" means any engineered system designed to remove pollutants by simple gravity settling of particulate pollutants, filtration, biological uptake, media adsorption or any other physical, biological, or chemical process.
(Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.050 Construction and application.

This chapter shall be construed to assure consistency with the requirements of the Federal Clean Water Act and acts amendatory thereof or supplementary thereto, applicable implementing regulations, and the Municipal NPDES Permit, and any amendment, revision or reissuance thereof. (Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.060 Prohibited activities.

A. Illicit Discharges. It is prohibited to discharge pollutants directly into or cause pollutants to be discharged into natural drainage courses.

B. Littering. No person shall intentionally throw, deposit, place, leave, maintain, keep or permit to be thrown, deposited, placed, left or maintained or kept, any refuse, rubbish, garbage, or any other discarded or abandoned objects, articles or accumulations, on or upon any roadway, driveway, trail, canyon, storm drain, inlet, catch basin conduit or drainage structure, or upon any private plot of land in the City, so that the same might be or become a pollutant. No person shall throw or deposit litter in any fountain, pond, stream or other body of water within the City. This subsection shall not apply to refuse, rubbish or garbage deposited in containers, bags or other appropriate receptacles which are placed in designated locations for regular solid waste pick up and disposal.

C. Disposal of Landscape Debris. It is prohibited to intentionally dispose of leaves, dirt, or other landscape debris into the MS4 or into natural drainage courses.

D. No person shall intentionally dispose of manure or any animal waste into the MS4 or into any natural or modified drainage course.

E. Non‐Storm Water Discharges. All non‐storm water discharges into the municipal storm sewer system are prohibited unless those flows are: in compliance with and authorized by a separate NPDES Permit; authorized by a conditional waiver or WDRs for agricultural lands; associated with emergency firefighting activities (i.e., flows necessary for the protection of life or property); natural flows as defined in the Municipal NPDES Permit; conditionally exempt non‐storm water discharges as defined in accordance with 38 (Supp. No. 26)

the Municipal NPDES Permit; or authorized as a temporary non‐storm water discharge by USEPA pursuant to sections 104(a) or 104(b) of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). Prohibited discharges include, but are not limited to:

1. The discharge of runoff from mobile auto washing, steam cleaning, mobile carpet cleaning, and other such mobile commercial and industrial operations (excluding non‐commercial car washing by residents and non‐profit organizations);

2. Discharges from areas where repair of machinery and equipment, including motor vehicles, which are visibly leaking oil, fluid or antifreeze, is undertaken;

3. Discharges of runoff from areas where materials containing grease, oil, or other hazardous substances (e.g., motor vehicle parts) are stored, and discharges from uncovered receptacles containing hazardous materials;

4. The discharge of swimming pool or spa filter backwash or water from draining of saltwater pools;

5. Discharges of runoff from the washing of toxic materials from paved or unpaved areas;

6. Discharges from the washing out of concrete or cement laden wash water from concrete trucks, pumps, tools, and equipment;

7. Discharges of any pesticide, fungicide, or herbicide, banned by the USEPA or the California Department of Pesticide Regulation;

8. Discharge of any food or food processing wastes;

9. Discharge of any fuel and chemical wastes, animal wastes, garbage, batteries, and other materials that have potential adverse impacts on water quality; and

10. The disposal of hazardous wastes into trash containers that causes a direct or indirect discharge to the municipal storm water system.

F. Discharges in Violation of the Municipal NPDES Permit. Any discharge that would result in or contribute to a violation of the Municipal NPDES Permit, either separately or in combination with other discharges, is prohibited. Liability for any such discharge shall be the responsibility of the person(s) causing or responsible for the discharge, and such person(s) shall defend, indemnify and hold harmless the City from all losses, liabilities, claims or causes of actions in any administrative or judicial action relating to such discharge. (Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.070 Exempted discharges, or conditionally exempted discharges or designated discharges.

Discharges from those activities specifically identified in, or pursuant to, the Municipal NPDES Permit as being exempted discharges, or conditionally exempted discharges, shall not be considered a violation of this chapter; provided, that any applicable BMPs developed pursuant to the Municipal NPDES Permit are implemented to minimize any adverse impacts from such identified sources and that required conditions outlined in the Municipal NPDES Permit are met prior to discharge.
(Ord. No. 334, § 3(Exh. A), 6‐24‐2013)
39 (Supp. No. 26)

8.32.080 Good housekeeping provisions.

Owners and occupants of property within the City shall implement Best Management Practices to prevent or reduce the discharge of pollutants to the municipal storm water system to the maximum extent practicable.

Treatment and structural Best Management Practices shall be properly operated and maintained to prevent the breeding of vectors. Implementation includes, but is not limited to:

A. Septic Waste. No person shall leave, deposit, discharge, dump or otherwise expose any chemical or septic waste to precipitation.

B. Use of Water. Runoff of water used for irrigation purposes shall be minimized to the maximum extent practicable. Runoff of water from the conditionally exempt washing down of paved areas shall be minimized to the maximum extent practicable. Conditionally exempt non‐storm water discharges of roadway/driveway wash water only include those discharges resulting from use of high pressure, low volume spray washing using only potable water with no cleaning agents at an average usage of 0.006 gallons per square feet of impervious area. Conditionally exempt non‐storm water discharges of roadway/driveway wash water do not include hosing of any driveway or roadway with a garden hose with a pressure nozzle. If there are pollutants in the area, such as oil or grease spills or leaks, the area shall be cleaned using appropriate dry cleaning methods prior to washing.

C. Storage of Materials, Machinery, and Equipment. Machinery or equipment that is to be repaired or maintained in areas susceptible to or exposed to storm water, shall be placed in a manner so that leaks, spills and other maintenance‐related pollutants are not discharged to the MS4.

D. Removal and Disposal of Debris and Oil from Institutional Motor Vehicle Parking Lots. Institutional motor vehicle parking lots one acre or more that are located in areas potentially exposed to storm water shall be inspected at least twice per month and shall have debris and/or oil removed in an effective manner  from such parking lots to prevent the discharge of debris or oil to the MS4. Institutional parking lots that are either one acre in size and/or used for heavy vehicle storage, such as construction vehicles, buses, refuse trucks, etc., shall be cleaned at least once per month. Best management practices shall be implemented and maintained to prevent the discharge of gravel and sediment to the MS4 from parking lots with gravel/sediment base.

E. Best Management Practices. Best Management Practices shall be used in areas exposed to storm water for the removal and lawful disposal of all fuels, chemicals, fuel and chemical wastes, animal wastes, garbage, batteries, or other materials which have potential adverse impacts on water quality. (Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.090 Requirements for construction activities.

A. Each industrial discharger, discharger associated with construction activity, or other discharger described in any general storm water permit addressing such discharges, as may be issued by the U.S. Environmental Protection Agency, the State Water Resources Control Board, or the Regional Board, shall comply with all requirements of such permit. Each discharger identified in an individual NPDES permit shall comply with and undertake all activities required by such permit. Proof of compliance with any such permit may be required in a form acceptable to the Authorized Enforcement Officer prior to the issuance of any grading, building or occupancy permits, or any other type of permit or license issued by the City.

B. Storm water runoff containing sediment, construction materials or other pollutants from the construction site and any adjacent staging, storage or parking areas shall be reduced to the maximum extent practicable.

The following shall apply to all construction projects within the City, regardless of project size, and shall be required from the time of land clearing, demolition, or commencement of construction until final approval:
40 (Supp. No. 26)

1. Sediment, construction wastes, trash and other pollutants from construction activities shall be reduced to the maximum extent practicable.

2. Structural controls such as sediment barriers, plastic sheeting, detention ponds, filters, berms, and similar controls shall be utilized to the maximum extent practicable in order to minimize the escape of sediment and other pollutants from the site.

3. All excavated soil shall be located on the site in a manner that minimizes the amount of sediment running onto the street, drainage facilities or adjacent properties. Soil piles not actively in use shall be bermed and covered with plastic sheeting or similar materials until the soil is either used or removed from the site.

4. No washing of construction or other vehicles is permitted adjacent to a construction site. No water from the washing of construction vehicle or equipment on the construction site is permitted to run off the construction site and enter the municipal storm water system or natural drainage system.

5. Trash receptacles must be situated at convenient locations on construction sites and must be maintained in such a manner that trash and litter does not accumulate on the site nor migrate off site.

Trash receptacles must be covered at the end of each business day and during rain events.

6. Erosion from slopes and channels must be controlled through the effective combination of Best Management Practices.

C. Construction sites where the construction activity covers less than one acre must implement an effective combination of erosion and sediment control BMPs from the Municipal NPDES Permit to prevent erosion and sediment loss, and the discharge of construction wastes.

D. The owner or authorized representative of the owner must certify in a form acceptable to the Director or duly authorized representative that Best Management Practices to control runoff from construction activity at all construction sites will be implemented prior to the issuance of any Building or Grading permit.

E. Construction sites where the construction activity covers one acre or more must adhere to the requirements set forth in the Municipal NPDES Permit and the Construction General Permit. Evidence of coverage under applicable permits, including, but not limited to, the Construction General Permit and State Water Board 401 Water Quality Certification shall be provided to the City prior to issuance of a grading or building permit. A Storm Water Pollution Prevention Plan (SWPPP) for construction sites of one acre or greater shall be developed by a Qualified SWPPP Developer (QSD) consistent with the Construction General Permit requirements.

G. Roadway paving and repair projects must implement at a minimum the BMPs listed in the Municipal NPDES Permit. Roadway projects disturbing an area equal to or greater than one acre in size shall also abide by the Construction General Permit, and implement all necessary BMPs as required for coverage under the Construction General Permit.

8.32.095 Planning and Land Development Program requirements for New Development and Redevelopment projects.

A. The following New Development and Redevelopment projects are required to comply with the Priority Development Project requirements of the Municipal NPDES Permit:

1. New development projects equal to one acre or greater of disturbed area and adding ten thousand square feet or more of impervious surface area (collectively over the entire project site); 41 (Supp. No. 26)

2. Redevelopment projects that create and/or replace five thousand square feet or more of impervious surface (collectively over the entire project site) on existing sites of ten thousand square feet or more of impervious surface area;

3. New development and redevelopment projects that create and/or replace five thousand square feet or more of impervious surface (collectively over the entire project site) and support the following uses:
parking lots;

4. New development and redevelopment projects that create and/or replace two thousand five hundred square feet or more of impervious area, discharge stormwater that is likely to impact a sensitive biological species or habitat, and are located in or directly adjacent to or are discharging directly to a Significant Ecological Area as identified by the County of Los Angeles Significant Ecological Areas Program.

5.   The Priority Development Project Structural BMP Performance Requirements of the municipal NPDES permit are applicable to redevelopment Priority Development Projects as follows:
(a) Where Redevelopment results in an alteration to more than fifty percent of impervious surfaces of a previously existing development the entire Project must be mitigated. (b) Where Redevelopment results in an alteration to less than fifty percent of impervious surfaces of a previously existing development only the alteration must be mitigated and not the entire development.

EXCEPTIONS: The following do not constitute New Development or Redevelopment:

Routine maintenance activities conducted to maintain original line and grade, hydraulic capacity, original purpose of facility, or emergency redevelopment activity required to protect public health and safety.

B. Roadway construction of ten thousand square feet or more of impervious surface area shall follow USEPA guidance regarding Managing Wet Weather with Green Infrastructure: Green Streets (December 2008 EPA‐ 833‐F‐08‐009) to the maximum extent practicable. Roadway construction projects are exempt from the Priority Development Project Structural BMP Performance Requirements of the municipal NPDES permit.

C. Incorporation of Planning and Land Development Program requirements into Project Plans.

1. New Development and Redevelopment projects are required to control pollutants and runoff volume from the project site. To the extent that the City may lawfully impose conditions, mitigation measures, or other requirements on the development or construction of a single‐family home, a single‐family home Development or Redevelopment project shall:
(a) Conserve natural areas;
(b) Protect slopes and channels;
(c) Minimize impervious areas;
(d) Divert roof runoff to vegetated areas before discharge unless the diversion would result in slope instability; and
(e) Direct surface flow to vegetated areas before discharge unless the diversion would result in slope instability.

2. Prior to the issuance of any grading, building, or construction permit, an applicant for a Priority Development Project identified in Section 8.32.095(A) of this chapter shall incorporate into the applicant's project plans a Post Construction Storm Water Mitigation Plan which includes site design elements for stormwater management and BMP placement, detailed sizing calculations for structural 42 (Supp. No. 26)

BMPs and/or pollutant removal performance for treatment control BMPs necessary to control storm water runoff and pollution from the completed project.

3. Priority Development Project Structural BMP Performance Criteria. Post‐construction stormwater control measures are required for all new development and redevelopment projects identified in Section 8.32.095(A) of this chapter unless alternative control measures are approved as provided in the Municipal NPDES Permit. Post‐construction stormwater control measures must be implemented to retain on‐site the Stormwater Quality Design Volume (SWQDv) from the project site defined as runoff from either:
(a) Three‐quarter‐inch, twenty‐four‐hour rain event; or (b) The eighty‐fifth percentile, twenty‐four‐hour rain event, whichever is greater.

Structural BMPs shall meet the design specifications and on‐site retention potential outlined in the Municipal NPDES Permit.

4. For projects unable to retain one hundred percent of the SWQDv on‐site due to technical infeasibility as defined in the Municipal NPDES Permit, projects must implement alternative compliance measures in accordance with the Municipal NPDES Permit. To be eligible for alternative compliance measures due to technical infeasibility, the project applicant must submit a site‐specific hydrologic and/or design analysis consistent with Technical Infeasibility Demonstration requirements of the municipal NPDES permit conducted and endorsed by a registered professional engineer, geologist, architect, and/or landscape architect for approval by the City. Structural or Treatment Control BMPs (also known as post‐construction stormwater control measures or post‐construction BMPs) set forth in project plans shall meet the Priority Development Project Structural BMP Performance Requirements of the current Municipal NPDES Permit in the following order of preference:
(a)   On‐site infiltration, bioretention and/or rainfall harvest and use; (b)   Where subpart a. above is infeasible, then on‐site biofiltration, off‐site groundwater replenishment, and/or offsite retrofit; or
(c)   On‐site treatment where a. and b. above are infeasible.

5. Hydromodification Management Requirements.
(a) Priority Development Projects located within natural drainage systems as defined in Section

8.32.040 of this chapter must implement hydrologic control measures consistent with Hydromodification Management Requirements of the municipal NPDES permit to prevent accelerated downstream erosion and to protect stream habitat in natural drainage systems. i. Priority Development Projects disturbing an area less than or equal to one acre may satisfy the hydromodification management requirements of the municipal NPDES permit by meeting the Priority Development Project Structural BMP Performance Requirements of the municipal NPDES permit.
ii. Priority Development Projects disturbing an area greater than one acre within natural drainage systems must demonstrate that one of the Hydromodification Management Control Criteria in the municipal NPDES permit is met as applicable for the  disturbed area of the project or, alternatively, may demonstrate that the hydromodification requirements in the current County of Los Angeles Low Impact Development Manual are met as applicable for the disturbed area of the project.
(b) Exemptions. The following new development and redevelopment projects are exempt from implementation of hydromodification controls where assessments of downstream channel 43 (Supp. No. 26)

conditions and proposed discharge hydrology indicate that adverse hydromodification effects are unlikely:
i. Projects that are replacement, maintenance, or repair of an existing flood control facility, storm drain, or transportation network;
ii. Projects with any increased discharge, directly or through a storm drain, to a sump, lake, area under tidal influence, into a waterway with a one‐hundred‐year peak flow of twenty‐ five thousand cubic feet per second or greater, or other receiving water that is not susceptible to impacts of hydromodification; and
iii. Projects that discharge, directly or through a storm drain, into concrete or other engineered channels which discharge into a receiving water that is not susceptible to impacts of hydromodification as described in ii. above.

C. Issuance of Final Approval. As a condition for issuing final approval for New Development or Redevelopment projects identified in Section 8.32.095(A), the Authorized Enforcement Officer shall require property owners or their representative(s) to build all the storm water pollution control Best Management Practices and structural or treatment control BMPs that are shown on the approved project plans and to submit a signed certification statement stating that the site and all structural or treatment control BMPs will be maintained in compliance with the Municipal NPDES Permit and other applicable regulatory requirements including the following words: "SHOULD THE ABOVE REPRESENTATION BE INCORRECT, WE UNDERSTAND AND

ACKNOWLEDGE THAT WE ARE RESPONSIBLE FOR THE COST OF CORRECTING ANY DEFICIENCY IN THE

PERFORMANCE OF THE ABOVE CONDITION AS WELL AS PAYMENT OF APPLICABLE ADMINISTRATIVE AND/OR CIVIL REMEDIES. WE UNDERSTAND THAT THE CITY WILL RELY ON THE REPRESENTATIONS CONTAINED IN

THIS STATEMENT AS HAVING ACHIEVED OUR OBLIGATION FOR COMPLIANCE WITH STORM WATER

REQUIREMENTS AND SIGN THIS CERTIFICATION VOLUNTARILY, WITHOUT PURPOSE OF EVASION AND OF OUR OWN FREE WILL AND WITH FULL KNOWLEDGE OF ITS SIGNIFICANCE." With the exception of Simple LID BMPs (as defined in Section 8.32.040) implemented on lots developed with single family residences, project owners shall provide an operation and maintenance plan, monitoring plan where required, and verification of ongoing maintenance provisions for structural BMPs, Treatment Control BMPs, and Hydromodification Control BMPs including but not limited to: final map conditions, legal agreements, covenants, conditions or restrictions, CEQA mitigation requirements, conditional use permits, and/or other legally binding maintenance agreements. The operation and maintenance plan and maintenance records shall be kept on‐site and available for review by the City’s authorized enforcement officer upon request.

D. Transfer of Properties Subject to Requirement for Maintenance of Structural and Treatment Control BMPs.

1. The transfer or lease of a property subject to a requirement for maintenance of structural and treatment control BMPs shall include conditions requiring the transferee and its successors and assigns to either (a) assume responsibility for maintenance of any existing structural or treatment control BMP or (b) to replace an existing structural or treatment control BMP with new structural or treatment control BMPs meeting the then current standards of the City and the Municipal NPDES Permit. Such requirement shall be included in any sale or lease agreement or deed for such property. The condition of transfer shall include a provision that the successor property owner or lessee conduct maintenance inspections of all structural or treatment control BMPs at least once a year and retain proof of inspection and proper operation and maintenance.

2. If structural or treatment control BMPs are located within an area proposed for dedication to a public agency, they will be the responsibility of the developer until the dedication is accepted.

E. CEQA. Provisions of this section shall be complementary to, and shall not replace, any applicable requirements for storm water mitigation required under the California Environmental Quality Act. 44 (Supp. No. 26)

(Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.100 Enforcement.

A. Violations Deemed a Public Nuisance.

1. Any condition caused or permitted to exist in violation of:
(a) Any of the provisions of this chapter; or
(b) Any failure to comply with any applicable requirement of the Municipal NPDES Permit, an approved Post‐Construction Storm Water Mitigation Plan, or effective implementation of a SWPPP with respect to a property; or
(c) Any false certification or verification, or any failure to comply with a certification or verification provided by a project applicant or the applicant's successor in interest; or (d) Any failure to properly operate and maintain any structural or treatment control BMP on a property in accordance with a SWPPP developed by a QSD and/or Post‐Construction Storm Water Mitigation Plan or the Municipal NPDES Permit, is determined to be a threat to the public health, safety and welfare, is declared and deemed a public nuisance, and may be abated or restored by any authorized enforcement officer, and a civil or criminal action to abate, enjoin or otherwise compel the cessation of such nuisance may be brought by the City Attorney.

2. The cost of such abatement and restoration shall be borne by the owner of the property and the cost thereof shall be invoiced to the owner of the property, as provided by law or ordinance for the recovery of nuisance abatement costs.

3. If any violation of this chapter constitutes a seasonal and recurrent nuisance, the City Manager shall so declare. The failure of any person to take appropriate annual precautions to prevent storm water pollution after written notice of a determination under this paragraph shall constitute a public nuisance and a violation of this chapter.

B. Concealment. Causing, permitting, aiding, abetting or concealing a violation of any provision of this chapter shall constitute a violation of such provision.

C. Civil Actions. In addition to any other remedies provided in this section, any violation of this chapter may be enforced by civil action brought by the City. In any such action, the City may seek, as appropriate, any or all of the following remedies:

1. A temporary and/or permanent injunction;

2. Assessment of the violator for the costs of any investigation, inspection or monitoring survey which led to the establishment of the violation, and for the reasonable costs of preparing and bringing legal action under this subsection;

3. Costs incurred in removing, correcting or terminating the adverse effects resulting from violation; and

4. Compensatory damages for loss or destruction to water quality, wildlife, fish and aquatic life.

D. Administrative Enforcement Powers. In addition to the other enforcement powers and remedies established by this chapter, the authorized enforcement officer has the authority to utilize the following administrative remedies:

1. Cease and Desist Orders. When an authorized enforcement officer finds that a discharge has taken place or is likely to take place in violation of this chapter, the officer may issue an order to cease and desist such discharge, or practice, or operation likely to cause such discharge and direct that those 45 (Supp. No. 26)

persons not complying shall: (i) comply with the requirement, (ii) comply with a time schedule for compliance, and (iii) take appropriate remedial or preventive action to prevent the violation from recurring.

2. Notice to Clean. Whenever an authorized enforcement officer finds any oil, earth, debris, grass, weeds, dead trees, tin cans, rubbish, refuse, waste or any other material of any kind, in or upon the roadway or trail abutting or adjoining any parcel of land, or upon any parcel of land or grounds, which may result in pollutants entering the MS4 or a non‐storm water discharge to the MS4, the officer may give notice to the owner or occupant of the adjacent property to remove such oil, earth, debris, grass, weeds, dead trees, tin cans, rubbish, refuse, waste or other material, in any manner that the officer may reasonably provide. The recipient of such notice shall undertake the activities as described in the notice.

E. Penalties. Violation of this chapter shall be punishable as a misdemeanor, punishable as set forth in Section

1.08.020(A) of this code. Each day that a violation continues shall constitute a separate offense.

F. Permit Revocation. To the extent the City makes a provision of this chapter or any identified BMP a condition of approval to the issuance of a permit or license, any person in violation of such condition is subject to the permit revocation procedures set forth in this code.

G. Remedies. Remedies specified in this chapter are in addition to and do not supersede or limit any and all other remedies, civil or criminal. The remedies provided for herein shall be cumulative and not exclusive.

H. Authority to Carry Out Inspections, Conduct Samplings, and Establishing Sampling Devices. The Authorized Enforcement Officer may carry out all inspections, surveillance, and monitoring procedures necessary to determine compliance and noncompliance with the Municipal NPDES Permit, including the prohibition of non‐storm water discharges into the MS4 and receiving waters. With the consent of the owner or occupant or pursuant to an inspection warrant, any Authorized Enforcement Officer may establish on any property such devices as necessary to conduct sampling and monitoring activities necessary to determining the concentrations of pollutants in storm water and/or non‐storm water runoff. The inspections provided for herein may include but are not limited to:

1. Inspecting efficiency or adequacy of construction or post construction BMPs;

2. Inspection, sampling and testing any area runoff, soils in areas subject to runoff, and or treatment system discharges;

3. Inspection of the integrity of all storm drain and sanitary sewer systems, including the use of smoke and dye tests and video survey of such pipes and conveyance systems;

4. Inspection of all records of the owner, contractor, developer or occupant of public or private property relating to BMP inspections conducted by the owner, contractor, developer or occupant and obtaining copies of such records as necessary; and

5. Identifying points of storm water discharge from the premises whether surface or subsurface and locating any illicit connection or discharge.
(Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.110 No taking.

The provisions of this chapter shall not be construed or operate to deprive any property owner of substantially all of the market value of such owner's property or otherwise constitute an unconstitutional taking without compensation.
(Ord. No. 334, § 3(Exh. A), 6‐24‐2013)
46 Title 8 ‐ HEALTH AND SAFETY
Chapter 8.32 STORM WATER MANAGEMENT AND POLLUTION CONTROL Rolling Hills, California, Code of Ordinances
(Supp. No. 26)

Chapter 8.32 STORM WATER MANAGEMENT AND POLLUTION CONTROL1

8.32.010 Title.

This chapter shall be known as the "City of Rolling Hills Storm Water Management and Pollution Control Ordinance."
(Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.020 Findings.

A. The Federal Clean Water Act (33 U.S.C. Sections 1251, et seq.) provides for the regulation and reduction of pollutants discharged into the waters of the United States by extending National Pollutant Discharge Elimination System (hereinafter "NPDES") requirements to storm water and dry weather runoff discharge into storm drain systems.

B. Storm water and dry weather runoff flows from individual properties in the City into natural drainage courses and storm drains owned by other agencies prior to reaching surface waters also known as receiving waters.

C. The City of Rolling Hills is a co‐permittee under the Municipal NPDES Permit authorized by the Federal Clean Water Act. As a co‐permittee, the City is required to maintain adequate legal authority within its respective jurisdiction to control pollutant discharges and to require the use of control measures to prevent or reduce the discharge of pollutants to achieve water quality standards.

D. In order to control, in a cost‐effective manner, the quantity and quality of storm water and dry weather runoff to the maximum extent practicable, the adoption of reasonable regulations, as set forth herein, is essential.

E. The City of Rolling Hills is a unique, low density residential community where development consists of single‐ family residential homes on large estate‐size lots; the only nonresidential development in the City consists of City administration buildings, a fire station, water reservoirs, and a public school campus.

F. All roadways in the City are privately owned and maintained by the Rolling Hills Community Association. The City of Rolling Hills does not own or operate a municipal separate storm sewer system. Natural drainage courses within the City are located on private property.

G. Properties with geologic instability throughout the City and the hillside topography of the entire community make it difficult and in some instances hazardous for property owners to have storm water retention on site if such retention will result in absorption of water in slide planes.

H. All the properties within the City limits are under the constraints and limitations of CC&Rs of the Rolling Hills Community Association.

1 Editor's note(s)—Ord. No. 334, § 3(Exh. A), adopted June 24, 2013, amended ch. 8.32 in its entirety to read as herein set out. Former ch. 8.32, §§ 8.32.010—8.32.110, pertained to storm water and urban runoff pollution control, and derived from Ord. No. 267, § 1(part), adopted 1996; Ord. No. 284, §§ 1—6, adopted 2001; Ord.

No. 289‐U, §§ 1—8, 10—15, adopted 2002.
47 (Supp. No. 26)

(Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.030 Purpose and intent.

A. The purpose of this chapter is to comply with the Federal Clean Water Act, the California Porter‐Cologne Water Quality Control Act, and the Municipal NPDES Permit by:

1. Reducing pollutants in storm water discharge to the maximum extent practicable;

2. Regulating illicit connections and illicit discharges and thereby reducing the level of contamination of storm water and dry weather runoff into receiving waters; and

3. Regulating non‐storm water discharges to the storm sewer system.

B. The intent of this chapter is to:

1. Protect and enhance the quality of watercourses, water bodies, and wetlands within the City in a manner consistent with the Federal Clean Water Act, the California Porter‐Cologne Water Quality Control Act and the Municipal NPDES Permit;

2. Provide the City with the legal authority necessary to implement and enforce the requirements contained in 40 CFR § 122.26(d)(2)(i)(A—F) and in the Municipal NPDES Permit to the extent they are applicable in the City of Rolling Hills; and

3. Set forth compliance measures for the construction and operation of storm water mitigation measures required for certain "New Development" and "Redevelopment", and other projects (as further defined herein) as prescribed in the current version of the Municipal NPDES Permit approved by the Regional Water Quality Control Board‐Los Angeles Region, and on file in the office of the City Clerk of this City.

This chapter authorizes the City Manager or his/her designee to serve as an authorized enforcement officer to define and adopt applicable Best Management Practices (BMPs) and other storm water pollution control measures, to grant emergency self‐waivers, as necessary, and to cite infractions and to impose fines pursuant to this chapter. Except as otherwise provided herein, the authorized enforcement officer shall administer, implement, and enforce the provisions of this section. (Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.040 Definitions.

Except as specifically provided herein, any term used in this chapter shall be defined as that term defined in the current Municipal NPDES Permit, or if it is not specifically defined in the Municipal NPDES Permit, then as such term is defined in the Federal Clean Water Act, as amended, and/or the regulations promulgated thereunder. The following definitions apply to this chapter only:
"Area susceptible to runoff" means any surface directly exposed to precipitation or in the path of runoff caused by precipitation.
"Authorized enforcement officer" means the City Manager or his or her designee. "Best Management Practices (BMPs)" means practices or physical devices or systems designed to prevent or reduce pollutant loading from storm water or non‐storm water discharges to receiving waters, or designed to reduce the volume of storm water or non‐storm water discharged to the receiving water. Examples of BMPs may include public education and outreach, proper planning of development projects, and proper sludge‐ or waste‐ handling and disposal, among others.
48 (Supp. No. 26)

"Best management practices (BMPs)" means practices or physical devices or systems designed to prevent or reduce pollutant loading from stormwater or non‐stormwater discharges to receiving waters or designed to reduce the volume of stormwater or non‐stormwater discharged to the receiving water. “Biofiltration” is a low impact development (LID) BMP that reduces stormwater pollutant discharges by intercepting rainfall on vegetative canopy, and through incidental infiltration and/or evapotranspiration, and filtration. Incidental infiltration is an important factor in achieving the required pollutant load reduction.

Biofiltration BMPs include bioretention systems with an underdrain and bioswales. “Bioretention” is an LID BMP that reduces stormwater runoff by intercepting rainfall on vegetative canopy, and through evapotranspiration and infiltration. The bioretention system typically includes a minimum 2‐foot top layer of a specified soil and compost mixture underlain by a gravel‐filled temporary storage pit dug into the in‐situ soil. As defined in the Municipal NPDES Permit, a bioretention BMP may be designed with an overflow drain but may not include an underdrain. When a bioretention BMP is designed or constructed with an underdrain it is regulated as a biofiltration BMP.
"City" means the City of Rolling Hills.
"Construction" means any construction or demolition activity, clearing, grading, grubbing, excavation, or any other activities that result in soil disturbance. Construction includes structure teardown and demolition. It does not include routine maintenance activities required to maintain the integrity of structures by performing minor repair and restoration work, original line and grade, hydraulic capacity, or original purpose of facility; emergency construction activities required to immediately protect public health and safety (including fire prevention); clearing and grubbing of vegetation for landscape maintenance and fire prevention which is not associated with a larger construction project; interior remodeling with no outside exposure of construction material or construction waste to storm water; mechanical permit work; or sign permit work. See "Routine Maintenance" definition below. "Construction General Permit" means the NPDES General Permit for Storm Water Discharges Associated with Construction and Land Disturbance Activities issued by the State Water Board, which authorizes the discharge of stormwater from construction activities under certain conditions, Order No. 2009‐0009‐DWQ (NPDES No.

CAS000002), adopted September 2, 2009, and any successor permit to that permit. "Control" means to minimize, reduce, eliminate, or prohibit by technological, legal, contractual or other means, the discharge of pollutants from an activity or activities. "Development" means any construction, rehabilitation, redevelopment or reconstruction of any public or private residential project or mass grading for future construction. It does not include routine maintenance to maintain original line and grade, hydraulic capacity, or original purpose of facility, nor does it include emergency construction activities required to immediately protect public health and safety. "Directly Adjacent" means situated within two hundred feet of the contiguous zone required for the continued maintenance, function, and structural stability of the environmentally sensitive area. "Director" means the City Manager or his or her designee. "Discharge" means when used without qualification the "discharge of a pollutant." "Discharging directly" means outflow from a drainage conveyance system that is composed entirely or predominantly of flows from the subject, property, development, subdivision, or industrial facility, and not commingled with the flows from adjacent lands.
"Discharge of a Pollutant" means: any addition of any "pollutant" or combination of pollutants to "waters of the United States" from any "point source" or, any addition of any pollutant or combination of pollutants to the waters of the "contiguous zone" or the ocean from any point source other than a vessel or other floating craft which is being used as a means of transportation. The term discharge includes additions of pollutants into waters of the United States from: surface runoff which is collected or channeled by man; discharges through pipes, 49 (Supp. No. 26)

sewers, or other conveyances owned by a State, municipality, or other person which do not lead to a treatment works; and discharges through pipes, sewers, or other conveyances, leading into privately owned treatment works. "Discretionary project" is defined in the same manner as Section 15357 of the Guidelines For Implementation Of The California Environmental Quality Act contained in Title 14 of the California Code Of Regulations, as amended, and means a project which requires the exercise of judgment or deliberation when the City decides to approve or disapprove a particular activity, as distinguished from situations where the City merely has to determine whether there has been conformity with applicable statutes, ordinances, or regulations. "Disturbed Area" means an area that is altered as a result of clearing, grading, and/or excavation, unless solely for the purposes of landscape maintenance or fire prevention. "Environmentally Sensitive Area" ("ESA") means an area in which plant or animal life or their habitats are either rare or especially valuable because of their special nature or role in an ecosystem and which would be easily disturbed or degraded by human activities and developments (California Public Resources Code § 30107.5). Areas subject to storm water mitigation requirements are areas designated as Significant Ecological Areas by the County of Los Angeles (Los Angeles County Significant Areas Study, Los Angeles County Department of Regional Planning (1976) and amendments); an area designated as a Significant Natural Area by the California Department of Fish and Game's Significant Natural Areas Program, provided that area has been field verified by the Department of Fish and Game; an area listed in the Basin Plan as supporting the Rare, Threatened, or Endangered Species (RARE) beneficial use; and an area identified by the City as environmentally sensitive. "Good housekeeping practices" means common practices related to the storage, use or cleanup of materials, performed in a manner that minimizes the discharge of pollutants. Examples include, but are not limited to, purchasing only the quantity of materials to be used at a given time, use of alternative and less environmentally harmful products, cleaning up spills and leaks, and storing materials in a manner that will contain any leaks or spills.
"Hillside" means property located in an area with known erosive soil conditions, where the development contemplates grading on any natural slope that is twenty‐five percent or greater and where grading contemplates cut or fill slopes.
"Illicit connection" means any human‐made conveyance that is connected to the storm drain system without a permit, excluding roof‐drains and other similar type connections. Examples include channels, pipelines, conduits, inlets or outlets that are connected directly to the storm drain system. "Illicit discharge" means any discharge to the storm drain system that is prohibited under local, state or federal statutes, ordinances, codes or regulations. The term illicit discharge includes all non‐storm water discharges except authorized non‐storm water discharges; conditionally exempt non‐storm water discharges; and non‐storm water discharges resulting from natural flows specifically identified in the Municipal NPDES Permit. "Infiltration" means the downward entry of water into the surface of the soil. "Inspection" means entry and the conduct of an on‐site review of structures and devices on a property, at reasonable times, to determine compliance with specific municipal or other legal requirements. The steps involved in performing an inspection, include, but are not limited to:

1. Pre‐inspection documentation research;

2. Request for entry;

3. Interview of property owner, resident and/or occupant(s);

4. Property walk‐through;

5. Visual observation of the condition of property;

6. Examination and copying of records as required;
50 (Supp. No. 26)

7. Sample collection (if necessary or required);

8. Exit discussion (to discuss preliminary evaluation) as appropriate; and

9. Report preparation, and if appropriate, recommendations for coming into compliance. "Low Impact Development (LID)" means building or landscape features designed to retain or filter storm water runoffimplementation of systems and practices that use or mimic natural processes to: 1) infiltrate and recharge, 2) evapotranspire and/or 3) harvest and use precipitation near to where it falls to earth. "Material" means any substance including, but not limited to: garbage and debris; lawn clippings, leaves and other vegetation; biological and fecal waste; sediment and sludge; oil and grease; gasoline; paints, solvents, cleaners and any fluid or solid containing chemicals.
"Municipal NPDES Permit" means the "Waste Discharge Requirements and National Pollutant Discharge Elimination System (NPDES) Permit for Municipal Separate Storm Sewer System (MS4) Discharges within the Coastal Watersheds of Los Angeles and Ventura Counties”y, Except Those Discharges Originating from the City of Long Beach MS4" (Order No. R4‐202112‐01750105), NPDES Permit No. CAS0040041, effective December 28, 2012September 11, 2021, issued by the California Regional Water Quality Control Board—Los Angeles Region, and any successor permit to that permit.
"Municipal separate storm sewer system" or "MS4" means a conveyance or system of conveyances (consisting ofincluding roads with drainage systems, municipal streets, catch basins, curbs, gutters, ditches, manmade channels, or storm drains):

1. Owned or operated by a state, city, town borough, county, parish, district, association, or other public body (created by or pursuant to State law) having jurisdiction over disposal of sewage, industrial wastes, storm water, or other wastes, including special districts under State law such as a sewer district, flood control district or drainage district, or similar entity, or an Indian tribe or an authorized Indian tribal organization, or a designated and approved management agency under section 208 of the CWA that discharges to waters of the United States;

2. Designed or used for collecting or conveying storm water;

3. Which is not a combined sewer; and

4. Which is not part of a Publicly Owned Treatment Works (POTW) as defined in 40 CFR 122.2. "Natural Drainage Systems" means all drainage courses that have not been modified using engineering controls or drainage systems that are tributary to a natural drainage system.  Examples of engineering modifications to a drainage course include channelization, armoring with concrete, and application of riprap. The clearing or dredging of a natural drainage system does not constitute a “modification” for purposes of this definitiondrainages that have not been improved (e.g., channelized or armored with concrete, shotcrete, or rip‐ rap) or drainage systems that are tributary to a natural drainage system. "New development" means land disturbing activities; structural development, including construction or installation of a building or structure, creation of impervious surfaces; and land subdivision. "New development” is not land disturbing activities solely involving landscaping or fire prevention. "Non‐storm water discharge" means any discharge into the MS4 or from the MS4 into a receiving water that is not composed entirely of storm water.
"NPDES" or "National Pollutant Discharge Elimination System" means the national program for issuing, modifying, and revoking and reissuing, terminating, monitoring and enforcing permits, and imposing and enforcing pretreatment requirements, under Clean Water Act Section 307, 402, 318, and 405. 51 (Supp. No. 26)

"Pollutant" means those "pollutants" defined in Section 502(6) of the Federal Clean Water Act (33 U.S.C.

Section 1362(6)), or incorporated into California Water Code Section 13373. Examples of pollutants include, but are not limited to the following:

1. Commercial and industrial waste (such as fuels, solvents, detergents, plastic pellets, hazardous substances, fertilizers, pesticides, slag, ash and sludge);

2. Metals such as cadmium, lead, zinc, copper, silver, nickel, chromium; and non‐metals such as phosphorus and arsenic;

3. Petroleum hydrocarbons (such as fuels, lubricants, surfactants, waste oils, solvents, coolants and grease);

4. Excessive eroded soils, sediment and particulate materials in amounts which may adversely affect the beneficial use of the receiving waters, flora or fauna of the State;

5. Animal wastes (such as discharge from confinement facilities, kennels, pens, recreational facilities, stables and show facilities);

6. Substances having characteristics such as pH less than six or greater than nine, or unusual coloration or turbidity, or excessive levels of fecal coliform, or fecal streptococcus, or enterococcus. “Priority Development Project” means land development projects subject to the City’s planning and building authority which are required to implement post‐construction stormwater control measures to meet the Priority Development Project Structural BMP Performance Requirements of the Municipal NPDES Permit. "Project" means all development, redevelopment, and land disturbing activities excluding landscaping projects.
"Rain event" means a rainfall event that produces more than 0.1 inch of precipitation in twenty‐four hours unless specifically stated otherwise.
“Rainfall Harvest and Use” is an LID BMP system designed to capture runoff and to provide for temporary storage until the harvested water can be used for irrigation or non‐potable uses.  The harvested water may also be used to replace certain potable water uses such as toilet flushing if the system includes disinfection treatment and is approved for such use by the local building department. "Redevelopment" means, land‐disturbing activity that results in the creation, addition, or replacement of ten thousand square feet or more of impervious surface on existing single family dwelling and accessory structures or the creation, addition, or replacement of five thousand square feet or more of impervious surface area on an already developed site for non‐single family projects. Redevelopment includes, but is not limited to: the expansion of a building footprint; addition or replacement of a structure; replacement of impervious surface area that is not part of a routine maintenance activity; and land disturbing activities related to structural or impervious surfaces. It does not include routine maintenance to maintain original line and grade, hydraulic capacity, or original purpose of facility, nor does it include emergency construction activities required to immediately protect public health and safety.
"Regional Board" means the California Regional Water Quality Control Board‐Los Angeles Region. "Routine Maintenance" includes, but is not limited to projects conducted to:

1. Maintain the original line and grade, hydraulic capacity, or original purpose of the facility;

2. Perform as needed restoration work to preserve the original design grade, integrity and hydraulic capacity of flood control facilities;

3. Carry out road shoulder work, regrading dirt or gravel roadways and shoulders and performing ditch cleanouts;
52 (Supp. No. 26)

4. Update existing lines and facilities, including the replacement of existing lines with new materials or pipes, to comply with applicable codes, standards, and regulations regardless if such projects result in increased capacity;

5. Repair leaks;

6. Conduct landscaping activities without changing existing or natural grades; and

7. Conduct disking and grubbing for fire prevention.

Routine maintenance does not include construction of new lines or facilities resulting from compliance with applicable codes, standards and regulations. New lines are those that are not associated with existing facilities and are not part of a project to update or replace existing lines. "Runoff" means any runoff including storm water and dry weather flows from a drainage area that reaches a receiving water body or subsurface. During dry weather it is typically comprised of base flow either contaminated with pollutants or uncontaminated, and nuisance flows.
"Significant Ecological Area" means an area that is determined to possess an example of biotic resources that cumulatively represent biological diversity, for the purposes of protecting biotic diversityhas been officially designated as having irreplaceable biological resources, as part of the Los Angeles County General Plan. Areas are designated as SEAs, if they possess one or more of the following criteria:

1. The habitat of rare, endangered, and threatened plant and animal species;

2. Biotic communities, vegetative associations, and habitat of plant and animal species that are either one of a kind, or are restricted in distribution on a regional basis;

3. Biotic communities, vegetative associations, and habitat of plant and animal species that are either one of a kind or are restricted in distribution in Los Angeles County;

4. Habitat that at some point in the life cycle of a species or group of species, serves as a concentrated breeding, feeding, resting, migrating grounds and is limited in availability either regionally or within Los Angeles County;

5. Biotic resources that are of scientific interest because they are either an extreme in physical/geographical limitations, or represent an unusual variation in a population or community;

6. Areas important as game species habitat or as fisheries;

7. Areas that would provide for the preservation of relatively undisturbed examples of natural biotic communities in Los Angeles County; and

8. Special areas.
"Simple LID BMP" means a BMP constructed above ground on a single‐family residential home that can be readily inspected by a homeowner or inspector. Simple LID BMPs do not require an operation and maintenance plan per the Municipal NPDES Permit. Examples of such BMPs include, but are not limited to, vegetated swales, rain barrels and above ground cisterns, rain gardens, and pervious pavement. "Site" means the land or water area where any "structure or activity" is physically located or conducted, including adjacent land used in connection with the structure or activity. "Source control BMP" means any schedule of activities, prohibition of practices, maintenance procedures, managerial practices or operational practices that aim to prevent storm water pollution by reducing the potential for contamination at the source of pollution.
"Storm water" or “stormwater” means storm water runoff and surface runoff and drainage related to precipitation events (pursuant to 40 CFR § 122.26(b)(13); 55 Fed. Reg. 47990, 47996 (Nov. 16, 1990)). 53 (Supp. No. 26)

"Structural BMP" means any structural facility designed and constructed to mitigate the adverse impacts of storm water and dry weather runoff pollution (e.g. canopy, structural enclosure). Structural BMPs may include both stormwater retention BMPs,  treatment control BMPs and source control BMPs(e.g., canopy, structural enclosure).
"Treatment" means the application of engineered systems that use physical, chemical, or biological processes to remove pollutants. Such processes include, but are not limited to, filtration, gravity settling, media adsorption, biodegradation, biological uptake, chemical oxidation and UV radiation. "Treatment control BMP" means any engineered system designed to remove pollutants by simple gravity settling of particulate pollutants, filtration, biological uptake, media adsorption or any other physical, biological, or chemical process.
(Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.050 Construction and application.

This chapter shall be construed to assure consistency with the requirements of the Federal Clean Water Act and acts amendatory thereof or supplementary thereto, applicable implementing regulations, and the Municipal NPDES Permit, and any amendment, revision or reissuance thereof. (Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.060 Prohibited activities.

A. Illicit Discharges. It is prohibited to discharge pollutants directly into or cause pollutants to be discharged pollutants into natural drainage courses.

B. Littering. No person shall intentionally throw, deposit, place, leave, maintain, keep or permit to be thrown, deposited, placed, left or maintained or kept, any refuse, rubbish, garbage, or any other discarded or abandoned objects, articles or accumulations, on or upon any roadway, driveway, trail, canyon, storm drain, inlet, catch basin conduit or drainage structure, or upon any private plot of land in the City, so that the same might be or become a pollutant. No person shall throw or deposit litter in any fountain, pond, stream or other body of water within the City. This subsection shall not apply to refuse, rubbish or garbage deposited in containers, bags or other appropriate receptacles which are placed in designated locations for regular solid waste pick up and disposal.

C. Disposal of Landscape Debris. It is prohibited to intentionally dispose of leaves, dirt, or other landscape debris into the MS4 or into natural drainage courses.

D. No person shall intentionally dispose of manure or any animal waste into the MS4 or into any natural or modified drainage course.

E. Non‐Storm Water Discharges. All non‐storm water discharges into the municipal storm sewer system are prohibited unless those flows are: in compliance with and authorized by a separate NPDES Permit; pursuant to a discharge exemption by the Regional Board, the regional board's executive officer, or the State Water Resources Control Board authorized by a conditional waiver or WDRs for agricultural lands; associated with emergency firefighting activities (i.e., flows necessary for the protection of life or property); natural flows as defined in the Municipal NPDES Permit; conditionally exempt non‐storm water discharges as defined in accordance with the Municipal NPDES Permit; or authorized as a temporary non‐storm water discharge by USEPA pursuant to sections 104(a) or 104(b) of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). Prohibited discharges include, but are not limited to:
54 (Supp. No. 26)

1. The discharge of runoff from mobile auto washing, steam cleaning, mobile carpet cleaning, and other such mobile commercial and industrial operations (excluding non‐commercial car washing by residents and non‐profit organizations);

2. Discharges from areas where repair of machinery and equipment, including motor vehicles, which are visibly leaking oil, fluid or antifreeze, is undertaken;

3. Discharges of runoff from areas where materials containing grease, oil, or other hazardous substances (e.g., motor vehicle parts) are stored, and discharges from uncovered receptacles containing hazardous materials;

4. The discharge of chlorinated/brominated swimming pool water or spa and filter backwash or water from draining of saltwater pools;

5. Discharges of runoff from the washing of toxic materials from paved or unpaved areas;

6. Discharges from the washing out of concrete or cement laden wash water from concrete trucks, pumps, tools, and equipment;

7. Discharges of any pesticide, fungicide, or herbicide, banned by the USEPA or the California Department of Pesticide Regulation;

8. Discharge of any food or food processing wastes;

9. Discharge of any fuel and chemical wastes, animal wastes, garbage, batteries, and other materials that have potential adverse impacts on water quality; and

10. The disposal of hazardous wastes into trash containers that causes a direct or indirect discharge to the municipal storm water system.

F. Discharges in Violation of the Municipal NPDES Permit. Any discharge that would result in or contribute to a violation of the Municipal NPDES Permit, either separately or in combination with other discharges, is prohibited. Liability for any such discharge shall be the responsibility of the person(s) causing or responsible for the discharge, and such person(s) shall defend, indemnify and hold harmless the City from all losses, liabilities, claims or causes of actions in any administrative or judicial action relating to such discharge. (Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.070 Exempted discharges, or conditionally exempted discharges or designated discharges.

Discharges from those activities specifically identified in, or pursuant to, the Municipal NPDES Permit as being exempted discharges, or conditionally exempted discharges, shall not be considered a violation of this chapter; provided, that any applicable BMPs developed pursuant to the Municipal NPDES Permit are implemented to minimize any adverse impacts from such identified sources and that required conditions outlined in the Municipal NPDES Permit are met prior to discharge.
(Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.080 Good housekeeping provisions.

Owners and occupants of property within the City shall implement Best Management Practices to prevent or reduce the discharge of pollutants to the municipal storm water system to the maximum extent practicable.

Treatment and structural Best Management Practices shall be properly operated and maintained to prevent the breeding of vectors. Implementation includes, but is not limited to:
55 (Supp. No. 26)

A. Septic Waste. No person shall leave, deposit, discharge, dump or otherwise expose any chemical or septic waste to precipitation.

B. Use of Water. Runoff of water used for irrigation purposes shall be minimized to the maximum extent practicable. Runoff of water from the conditionally exempt washing down of paved areas shall be minimized to the maximum extent practicable. Conditionally exempt non‐storm water discharges of roadway/driveway wash water only include those discharges resulting from use of high pressure, low volume spray washing using only potable water with no cleaning agents at an average usage of 0.006 gallons per square feet of impervious sidewalk area. Conditionally exempt non‐storm water discharges of roadway/driveway wash water do not include hosing of any driveway or roadway with a garden hose with a pressure nozzle. If there are pollutants in the area, such as oil or grease spills or leaks, the area shall be cleaned using appropriate dry cleaning methods prior to washing.

C. Storage of Materials, Machinery, and Equipment. Machinery or equipment that is to be repaired or maintained in areas susceptible to or exposed to storm water, shall be placed in a manner so that leaks, spills and other maintenance‐related pollutants are not discharged to the MS4.

D. Removal and Disposal of Debris and Oil from Institutional Motor Vehicle Parking Lots. Institutional motor vehicle parking lots with more than twenty‐five parking spacesone acre or more that are located in areas potentially exposed to storm water shall be inspected at least twice per month and shall have debris and/or oil removed in an effective manner regularly  from such parking lots to prevent the discharge of debris or oil to the MS4. Institutional parking lots that are either one acre in size and/or used for heavy vehicle storage, such as construction vehicles, buses, refuse trucks, etc., shall be cleaned at least once per month. Best management practices shall be implemented and maintained to prevent the discharge of gravel and sediment to the MS4 from parking lots with gravel/sediment base.

E. Best Management Practices. Best Management Practices shall be used in areas exposed to storm water for the removal and lawful disposal of all fuels, chemicals, fuel and chemical wastes, animal wastes, garbage, batteries, or other materials which have potential adverse impacts on water quality. (Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.090 Requirements for construction activities.

A. Each industrial discharger, discharger associated with construction activity, or other discharger described in any general storm water permit addressing such discharges, as may be issued by the U.S. Environmental Protection Agency, the State Water Resources Control Board, or the Regional Board, shall comply with all requirements of such permit. Each discharger identified in an individual NPDES permit shall comply with and undertake all activities required by such permit. Proof of compliance with any such permit may be required in a form acceptable to the Authorized Enforcement Officer prior to the issuance of any grading, building or occupancy permits, or any other type of permit or license issued by the City.

B. Storm water runoff containing sediment, construction materials or other pollutants from the construction site and any adjacent staging, storage or parking areas shall be reduced to the maximum extent practicable.

The following shall apply to all construction projects within the City, regardless of project size, and shall be required from the time of land clearing, demolition, or commencement of construction until final approval:

1. Sediment, construction wastes, trash and other pollutants from construction activities shall be reduced to the maximum extent practicable.

2. Structural controls such as sediment barriers, plastic sheeting, detention ponds, filters, berms, and similar controls shall be utilized to the maximum extent practicable in order to minimize the escape of sediment and other pollutants from the site.
56 (Supp. No. 26)

3. All excavated soil shall be located on the site in a manner that minimizes the amount of sediment running onto the street, drainage facilities or adjacent properties. Soil piles not actively in use shall be bermed or and covered with plastic sheeting or similar materials until the soil is either used or removed from the site.

4. No washing of construction or other vehicles is permitted adjacent to a construction site. No water from the washing of construction vehicle orf equipment on the construction site is permitted to run off the construction site and enter the municipal storm water system or natural drainage system.

5. Trash receptacles must be situated at convenient locations on construction sites and must be maintained in such a manner that trash and litter does not accumulate on the site nor migrate off site.

Trash receptacles must be covered at the end of each business day and during rain events.

6. Erosion from slopes and channels must be controlled through the effective combination of Best Management Practices.

C. Construction sites where the construction activity covers less than one acre must implement an effective combination of erosion and sediment control BMPs from the Municipal NPDES Permit to prevent erosion and sediment loss, and the discharge of construction wastes.

D. The owner or authorized representative of the owner must certify in a form acceptable to the Director or duly authorized representative that Best Management Practices to control runoff from construction activity at all construction sites will be implemented prior to the issuance of any Building or Grading permit.

E. Construction sites where the construction activity covers one acre or more must adhere to the requirements set forth in the Municipal NPDES Permit and the Construction General Permit. Evidence of coverage under applicable permits, including, but not limited to, the Construction General Permit and State Water Board 401 Water Quality Certification shall be provided to the City prior to issuance of a grading or building permit. A Storm Water Pollution Prevention Plan (SWPPP) for construction sites of one acre or greater shall be developed by a Qualified SWPPP Developer (QSD) consistent with the Municipal NPDESConstruction General Permit requirements.  The SWPPP must include all elements required by the Construction General Permit.

SWPPPs must be prepared in accordance with their calculated risk level per the Construction General Permit.

Such plans must be submitted to the City for review and approval prior to the issuance of building or grading permits.

F. BMPs selected for erosion and sediment control shall be detailed in the SWPPP. BMPs shall be selected from the Municipal NPDES Permit, as applicable, and, at a minimum, shall include those BMPs specified in Attachments C, D, and E of the Construction General Permit based on the project risk level. Selected BMPs must be selected, designed, implemented, and maintained in accordance with the BMP technical standards presented in the latest version of the California Stormwater Quality Association (CASQA) Stormwater Best Management Practice Handbook for Construction; or Caltrans Stormwater Quality Handbook, Construction Site Best Management Practices Manual and addenda.

G. Roadway paving and repair projects must implement at a minimum the BMPs listed in the Municipal NPDES Permit. Roadway paving or repair projects disturbing an area equal to or greater than one acre in size shall also abide by the Construction General Permit, and implement all necessary BMPs as required for coverage under the Construction General Permit.

8.32.095 Planning and Land Development Program requirements for New Development and Redevelopment projects.

A. The following New Development and Redevelopment projects are required to comply with the Priority Development Project requirements of Part VIII.F. of the Municipal NPDES Permit:
57 (Supp. No. 26)

1. New Ddevelopment projects, including the construction of new single family residential homes, equal to one acre or greater of disturbed area and adding more than ten thousand square feet or more of impervious surface area (collectively over the entire project site);

2. Parking lots with five thousand square feet or more of impervious area or with twenty‐five or more parking spaces; Redevelopment projects that create and/or replace five thousand square feet or more of impervious surface (collectively over the entire project site) on existing sites of ten thousand square feet or more of impervious surface area;

3. New development and redevelopment projects that create and/or replace five thousand square feet or more of impervious surface (collectively over the entire project site) and support the following uses:
parking lotsSingle family hillside residential developments or redevelopments;

4. New development and redevelopment projects that create and/or replace two thousand five hundred square feet or more of impervious area, discharge stormwater that is likely to impact a sensitive biological species or habitat, and are located in or directly adjacent to or are discharging directly to a Significant Ecological Area as identified by the County of Los Angeles Significant Ecological Areas Program.Redevelopment projects in subject categories that meet Redevelopment thresholds (pursuant to the Municipal NPDES Permit), which include:

5.   The Priority Development Project Structural BMP Performance Requirements of the municipal NPDES permit are applicable to redevelopment Priority Development Projects as follows:
(a) Land‐disturbing activities which create, add, or replace ten thousand square feet or more of impervious surface area on lots developed with single family dwellings and/or accessory structures; and
(b) Land‐disturbing activities which create, add, or replace five thousand square feet or more of impervious surface area on an already developed site excluding lots developed with single family dwellings and accessory structures.
(ac) Where Redevelopment results in an alteration to more than fifty percent of impervious surfaces of a previously existing development, and the existing development was not subject to post‐ development storm water quality control requirements,  the entire Project must be mitigated. (bd) Where Redevelopment results in an alteration to less than fifty percent of impervious surfaces of a previously existing development, and the existing development was not subject to post‐ development storm water quality control requirements,  only the alteration must be mitigated, and not the entire development.

EXCEPTIONS: The following do not constitute New Development or Redevelopment:

1. Routine maintenance activities conducted to maintain original line and grade, hydraulic capacity, original purpose of facility, or emergency redevelopment activity required to protect public health and safety.

2. Discretionary permit projects or phased project applications which have been deemed complete by February 8, 2013, and which have not received an extension of time.

3. Discretionary permit projects with a valid vesting tentative map.

B5. Roadway construction with of ten thousand square feet or more of impervious surface area shall follow USEPA guidance regarding Managing Wet Weather with Green Infrastructure: Green Streets (December 2008 58 (Supp. No. 26)

EPA‐833‐F‐08‐009) to the maximum extent practicable. Roadway construction projects are exempt from the Priority Development Project Structural BMP Performance Requirements of the municipal NPDES permit.

6. Any New Development or Redevelopment project located in or directly adjacent to or discharging directly into a Significant Ecological Area (as defined herein), where the development will:
(a) Discharge storm water that is likely to impact a sensitive biological species or habitat; and (b) Create two thousand five hundred square feet or more of impervious surface area.

EXCEPTIONS: The following do not constitute New Development or Redevelopment:

1. Routine maintenance activities conducted to maintain original line and grade, hydraulic capacity, original purpose of facility, or emergency redevelopment activity required to protect public health and safety.

2. Discretionary permit projects or phased project applications which have been deemed complete by February 8, 2013, and which have not received an extension of time.

3. Discretionary permit projects with a valid vesting tentative map.

CB. Incorporation of Planning and Land Development Program requirements into Project Plans.

1. New Development and Redevelopment projects are required to control pollutants and runoff volume from the project site by minimizing the impervious surface area and controlling runoff through infiltration, bioretention, and/or rainfall harvest and use, in accordance with the standards set forth in the Municipal NPDES Permit. To the extent that the City may lawfully impose conditions, mitigation measures, or other requirements on the development or construction of a single‐family home, a single‐ family home Development or Redevelopment project shall:
(a) Conserve natural areas;
(b) Protect slopes and channels;
(c) Minimize impervious areas;
(d) Divert roof runoff to vegetated areas before discharge unless the diversion would result in slope instability; and
(e) Direct surface flow to vegetated areas before discharge unless the diversion would result in slope instability.

2. Prior to the issuance of any grading, building, or construction permit, Aan applicant for a New Development or a RedevelopmentPriority Development Project identified in Section 8.32.095(A) of this chapter shall incorporate into the applicant's project plans a Post Construction Storm Water Mitigation Plan which includes those site design elements for stormwater management and BMP placement, detailed sizing calculations for structural Best Management PracticesBMPs and/or pollutant removal performance for treatment control BMPs necessary to control storm water runoff and pollution from the completed project. Structural or Treatment Control BMPs (including, as applicable, post‐ construction Treatment Control BMPs) set forth in project plans shall meet the design standards set forth in the current Municipal NPDES Permit.

3. To the extent that the City may lawfully impose conditions, mitigation measures, or other requirements on the development or construction of a single‐family home in a hillside area, a single‐ family hillside home Development or Redevelopment project shall implement mitigation measures to:
(a) Conserve natural areas;
(b) Protect slopes and channels;
59 (Supp. No. 26)

(c) Provide storm drain system stenciling and signage;
(d) Divert roof runoff to vegetated areas before discharge unless the diversion would result in slope instability; and
(e) Direct surface flow to vegetated areas before discharge unless the diversion would result in slope instability.

4. New Development/RedevelopmentPriority Development Project Structural BMP Performance Criteria.:

Post‐construction stormwater control BMPs to mitigate stormwater pollutioncontrol measures are required for all new development and redevelopment projects identified in Section 8.32.095(A) of this chapter unless alternative control measures are allowed approved as provided in the Municipal NPDES Permit. Post‐construction stormwater control measuresBMPs must be implemented to retain on‐site the Stormwater Quality Design Volume (SWQDv) from the project site, defined as runoff from either:
(a) Three‐quarter‐inch, twenty‐four‐hour rain event; or (b) The eighty‐fifth percentile, twenty‐four‐hour rain event, as determined from the Los Angeles County eighty‐fifth percentile precipitation isohyetal map, whichever is greater.

Structural BMPs shall meet the design specifications and on‐site retention potential outlined in the Municipal NPDES Permit.

4. For projects unable to retain one hundred percent of the SWQDv on‐site due to technical infeasibility as defined in the Municipal NPDES Permit, projects must implement alternative compliance measures in accordance with the Municipal NPDES Permit. To be eligible for alternative compliance measures due to technical infeasibility, the project applicant must submit a site‐specific hydrologic and/or design analysis consistent with Technical Infeasibility Demonstration requirements of the municipal NPDES permit conducted and endorsed by a registered professional engineer, geologist, architect, and/or landscape architect for approval by the City. Structural or Treatment Control BMPs (also known as post‐construction stormwater control measures or post‐construction BMPs) set forth in project plans shall meet the Priority Development Project Structural BMP Performance Requirements of the current Municipal NPDES Permit in the following order of preference:
(a)   On‐site infiltration, bioretention and/or rainfall harvest and use; (b)   Where subpart a. above is infeasible, then on‐site biofiltration, off‐site groundwater replenishment, and/or offsite retrofit; or
(c)   On‐site treatment where a. and b. above are infeasible.

Single family hillside home development projects are exempt from the New Development/Redevelopment Project Performance Criteria of the Municipal NPDES Permit unless they create, add or replace ten thousand square feet of impervious surface area.

5. Hydromodification Control CriteriaManagement Requirements. (a) All non‐exempt New Development and RedevelopmentPriority Development Pprojects located within natural drainage systems as defined in Section 8.32.040 of this chapter must implement hydrologic control measures consistent with Hydromodification Management Requirements of the municipal NPDES permit to prevent accelerated downstream erosion and to protect stream habitat in natural drainage systems. Projects exempt from hydromodification controls are listed in the Municipal NPDES Permit.
i. Priority Development Projects disturbing an area less than or equal to one acre may satisfy the hydromodification management requirements of the municipal NPDES permit by 60 (Supp. No. 26)

meeting the Priority Development Project Structural BMP Performance Requirements of the municipal NPDES permit.
ii. Priority Development Projects disturbing an area greater than one acre within natural drainage systems must demonstrate that one of the Hydromodification Management Control Criteria in the municipal NPDES permit is met as applicable for the  disturbed area of the project or, alternatively, may demonstrate that the hydromodification requirements in the current County of Los Angeles Low Impact Development Manual are met as applicable for the disturbed area of the project.
(b) Exemptions. The following new development and redevelopment projects are exempt from implementation of hydromodification controls where assessments of downstream channel conditions and proposed discharge hydrology indicate that adverse hydromodification effects are unlikely: The following New Development and Redevelopment projects must include one, or a combination of, hydromodification control BMPs, Low Impact Development (LID) strategies, or stream and riparian buffer restoration measures:
i. Projects that are replacement, maintenance, or repair of an existing flood control facility, storm drain, or transportation network;
ii. Projects with any increased discharge, directly or through a storm drain, to a sump, lake, area under tidal influence, into a waterway with a one‐hundred‐year peak flow of twenty‐ five thousand cubic feet per second or greater, or other receiving water that is not susceptible to impacts of hydromodification; and
iii. Projects that discharge, directly or through a storm drain, into concrete or other engineered channels which discharge into a receiving water that is not susceptible to impacts of hydromodification as described in ii. above. iv. LID BMPs implemented on single family home projects are sufficient to comply with Hydromodification criteria.
i. Projects on single family lots that create, add, or replace ten thousand square feet or more of impervious surface area are required to implement LID BMPs in accordance with parts B.1 through B.4 of this Section. Single family homes implementing such BMPs will satisfy the hydromodification control requirements of the Municipal NPDES Permit. ii. Projects on non‐single family lots disturbing an area greater than one acre but less than fifty acres within natural drainage systems must demonstrate one of the following:
a. The project has been designed to retain on‐site, through infiltration, evapotranspiration, and/or harvest and use, the storm water volume from the runoff of the ninety‐fifth percentile, twenty‐four‐hour storm; or b. The runoff flow rate, volume, velocity, and duration for the post‐development condition do not exceed the pre‐development condition for the two‐year, twenty‐four‐hour rainfall event; or
c. The erosion potential (Ep) in the receiving water channel will approximate one, as determined by a Hydromodification Analysis Study and the equation presented in Attachment J of the Municipal NPDES Permit, or other approved equations.

C. Issuance of Final Approval. As a condition for issuing final approval for New Development or Redevelopment projects identified in Section 8.32.095(A), the Authorized Enforcement Officer shall require property owners or their representative(s) to build all the storm water pollution control Best Management Practices and 61 (Supp. No. 26)

structural or treatment control BMPs that are shown on the approved project plans and to submit a signed certification statement stating that the site and all structural or treatment control BMPs will be maintained in compliance with the Municipal NPDES Permit and other applicable regulatory requirements including the following words: "SHOULD THE ABOVE REPRESENTATION BE INCORRECT, WE UNDERSTAND AND

ACKNOWLEDGE THAT WE ARE RESPONSIBLE FOR THE COST OF CORRECTING ANY DEFICIENCY IN THE

PERFORMANCE OF THE ABOVE CONDITION AS WELL AS PAYMENT OF APPLICABLE ADMINISTRATIVE AND/OR CIVIL REMEDIES. WE UNDERSTAND THAT THE CITY WILL RELY ON THE REPRESENTATIONS CONTAINED IN

THIS STATEMENT AS HAVING ACHIEVED OUR OBLIGATION FOR COMPLIANCE WITH STORM WATER

REQUIREMENTS AND SIGN THIS CERTIFICATION VOLUNTARILY, WITHOUT PURPOSE OF EVASION AND OF OUR OWN FREE WILL AND WITH FULL KNOWLEDGE OF ITS SIGNIFICANCE." With the exception of Simple LID BMPs (as defined in Section 8.32.040) implemented on lots developed with single family residences, project owners shall provide an operation and maintenance plan, monitoring plan where required, and verification of ongoing maintenance provisions for LID practicesstructural BMPs, Treatment Control BMPs, and Hydromodification Control BMPs including but not limited to: final map conditions, legal agreements, covenants, conditions or restrictions, CEQA mitigation requirements, conditional use permits, and/or other legally binding maintenance agreements. The operation and maintenance plan and maintenance records shall be kept on‐site and available for review by the City’s authorized enforcement officer, upon request. These maintenance records must be kept on site for treatment BMPs implemented on single family residences.

D. Transfer of Properties Subject to Requirement for Maintenance of Structural and Treatment Control BMPs.

1. The transfer or lease of a property subject to a requirement for maintenance of structural and treatment control BMPs shall include conditions requiring the transferee and its successors and assigns to either (a) assume responsibility for maintenance of any existing structural or treatment control BMP or (b) to replace an existing structural or treatment control BMP with new structural or treatment control measures or BMPs meeting the then current standards of the City and the Municipal NPDES Permit. Such requirement shall be included in any sale or lease agreement or deed for such property.

The condition of transfer shall include a provision that the successor property owner or lessee conduct maintenance inspections of all structural or treatment control BMPs at least once a year and retain proof of inspection and proper operation and maintenance.

2. If structural or treatment control BMPs are located within an area proposed for dedication to a public agency, they will be the responsibility of the developer until the dedication is accepted.

E. CEQA. Provisions of this section shall be complementary to, and shall not replace, any applicable requirements for storm water mitigation required under the California Environmental Quality Act. (Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.100 Enforcement.

A. Violations Deemed a Public Nuisance.

1. Any condition caused or permitted to exist in violation of:
(a) Any of the provisions of this chapter; or
(b) Any failure to comply with any applicable requirement of the Municipal NPDES Permit, an approved Post‐Construction Storm Water Mitigation Plan, or effective implementation of an approved SWPPP with respect to a property; or
(c) Any false certification or verification, or any failure to comply with a certification or verification provided by a project applicant or the applicant's successor in interest; or 62 (Supp. No. 26)

(d) Any failure to properly operate and maintain any structural or treatment control BMP on a property in accordance with an approved  SWPPP developed by a QSD and/or Post‐Construction Storm Water Mitigation Plan or the Municipal NPDES Permit, is determined to be a threat to the public health, safety and welfare, is declared and deemed a public nuisance, and may be abated or restored by any authorized enforcement officer, and a civil or criminal action to abate, enjoin or otherwise compel the cessation of such nuisance may be brought by the City Attorney.

2. The cost of such abatement and restoration shall be borne by the owner of the property and the cost thereof shall be invoiced to the owner of the property, as provided by law or ordinance for the recovery of nuisance abatement costs.

3. If any violation of this chapter constitutes a seasonal and recurrent nuisance, the City Manager shall so declare. The failure of any person to take appropriate annual precautions to prevent storm water pollution after written notice of a determination under this paragraph shall constitute a public nuisance and a violation of this chapter.

B. Concealment. Causing, permitting, aiding, abetting or concealing a violation of any provision of this chapter shall constitute a violation of such provision.

C. Civil Actions. In addition to any other remedies provided in this section, any violation of this chapter may be enforced by civil action brought by the City. In any such action, the City may seek, as appropriate, any or all of the following remedies:

1. A temporary and/or permanent injunction;

2. Assessment of the violator for the costs of any investigation, inspection or monitoring survey which led to the establishment of the violation, and for the reasonable costs of preparing and bringing legal action under this subsection;

3. Costs incurred in removing, correcting or terminating the adverse effects resulting from violation; and

4. Compensatory damages for loss or destruction to water quality, wildlife, fish and aquatic life.

D. Administrative Enforcement Powers. In addition to the other enforcement powers and remedies established by this chapter, the authorized enforcement officer has the authority to utilize the following administrative remedies:

1. Cease and Desist Orders. When an authorized enforcement officer finds that a discharge has taken place or is likely to take place in violation of this chapter, the officer may issue an order to cease and desist such discharge, or practice, or operation likely to cause such discharge and direct that those persons not complying shall: (i) comply with the requirement, (ii) comply with a time schedule for compliance, and (iii) take appropriate remedial or preventive action to prevent the violation from recurring.

2. Notice to Clean. Whenever an authorized enforcement officer finds any oil, earth, debris, grass, weeds, dead trees, tin cans, rubbish, refuse, waste or any other material of any kind, in or upon the roadway or trail abutting or adjoining any parcel of land, or upon any parcel of land or grounds, which may result in pollutants entering the MS4 or a non‐storm water discharge to the MS4, the officer may give notice to the owner or occupant of the adjacent property to remove such oil, earth, debris, grass, weeds, dead trees, tin cans, rubbish, refuse, waste or other material, in any manner that the officer may reasonably provide. The recipient of such notice shall undertake the activities as described in the notice.

E. Penalties. Violation of this chapter shall be punishable as a misdemeanor, punishable as set forth in Section

1.08.020(A) of this code. Each day that a violation continues shall constitute a separate offense. 63 (Supp. No. 26)

F. Permit Revocation. To the extent the City makes a provision of this chapter or any identified BMP a condition of approval to the issuance of a permit or license, any person in violation of such condition is subject to the permit revocation procedures set forth in this code.

G. Remedies. Remedies specified in this chapter are in addition to and do not supersede or limit any and all other remedies, civil or criminal. The remedies provided for herein shall be cumulative and not exclusive.

H. Authority to Carry Out Inspections, Conduct Samplings, and Establishing Sampling Devices. The Authorized Enforcement Officer may carry out all inspections, surveillance, and monitoring procedures necessary to determine compliance and noncompliance with the Municipal NPDES Permit, including the prohibition of non‐storm water discharges into the MS4 and receiving waters. With the consent of the owner or occupant or pursuant to an inspection warrant, any Authorized Enforcement Officer may establish on any property such devices as necessary to conduct sampling and monitoring activities necessary to determining the concentrations of pollutants in storm water and/or non‐storm water runoff. The inspections provided for herein may include but are not limited to:

1. Inspecting efficiency or adequacy of construction or post construction BMPs;

2. Inspection, sampling and testing any area runoff, soils in areas subject to runoff, and or treatment system discharges;

3. Inspection of the integrity of all storm drain and sanitary sewer systems, including the use of smoke and dye tests and video survey of such pipes and conveyance systems;

4. Inspection of all records of the owner, contractor, developer or occupant of public or private property relating to BMP inspections conducted by the owner, contractor, developer or occupant and obtaining copies of such records as necessary; and

5. Identifying points of storm water discharge from the premises whether surface or subsurface and locating any illicit connection or discharge.
(Ord. No. 334, § 3(Exh. A), 6‐24‐2013)

8.32.110 No taking.

The provisions of this chapter shall not be construed or operate to deprive any property owner of substantially all of the market value of such owner's property or otherwise constitute an unconstitutional taking without compensation.
(Ord. No. 334, § 3(Exh. A), 6‐24‐2013)
64 Agenda Item No.: 7.F
Mtg. Date: 11/14/2022
TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: VANESSA HEVENER, SENIOR MANAGEMENT ANALYST
THRU: ELAINE JENG P.E., CITY MANAGER
SUBJECT: RECEIVE AND FILE MEASURE W, MUNICIPAL SAFE CLEAN WATER (SCW) ANNUAL REPORT FOR FISCAL YEAR 2021-22
DATE: November 14, 2022
BACKGROUND:

In 2018, Los Angeles County voters approved Measure W (Safe Clean Water Municipal Program Funds) to provide funding for stormwater projects and programs to increase local water supply, improve water quality and protect public health. Funding is provided through a parcel tax of 2.5 cents per square foot of impermeable land area (e.g., building, concrete, etc.).

Measure W provides local agencies with funds to implement projects and programs that will best address local stormwater and urban runoff needs. The funding can be used for eligible activities such as project development, design, construction, effectiveness monitoring, operations and maintenance, as well as for programs and studies related to protecting and improving water quality in lakes, rivers and ocean.

DISCUSSION:

One condition of the Municipal SCW funding is that the City of Rolling Hills must submit an Annual Report within six months of the close of each fiscal year describing the use of its Municipal SCW Program Funds. The Annual Report must describe how the funds were used during the preceding fiscal year and how those uses are eligible expenses that advance the goals of the Safe Clean Water Program. The Annual Report must be prepared and submitted using the online tool mounted on the SCW Program website. A copy of the City's FY 2021-22 Annual Report is available:
https://cms5.revize.com/revize/rollinghillsca/CL_AGN_CC_221114_Rolling_Hills_SCW_AR_FY21- 22%20(FinalDraft).pdf.

The City must spend at least 70% of its Municipal Program Funds on eligible expenses related to new projects or programs established since the enactment of Measure W. Up to 30% of a City’s Municipal Program Funds may be used to pay for eligible costs and expenses related to the continuation of programs prior to the enactment of Measure W. Unused funds may be carried over for use in a future fiscal year so long as each tranche of funding is expended within five years of disbursement. Attached is an Excel worksheet used to prepare the Annual 65 Report and track the City’s Municipal SCW Program funds, breaking down the City’s FY2021- 22 Municipal SCW Program expenditures by line item and detailing whether each is a new effort (minimum 70%) or continuing effort (maximum 30%).

FISCAL IMPACT:

The City expended $130,213 in Municipal SCW Funds during FY2021-22 on activities that supported the City’s implementation of the municipal stormwater permit, which offset/avoided the use of General Funds for those efforts. The amount expended was more than the $104,742 disbursement in FY2021-22 from Measure W because the City was able to use carried over unspent funds from FY2020-21.

RECOMMENDATION:

Receive and file Measure W, Municipal Safe Clean Water Annual Report for Fiscal Year 2021- 22 ATTACHMENTS:

CL_AGN_CC_221114_RH_2021-22_SCW_Expenditures.pdf
66 Item Description
Total or
Estimated
Cost for line
item
Cost to be
Recovered under
Ongoing Programs
- up to 30% of
municipal return
or $30,000
Cost to be
Recovered under
New Projects or
Programs - at
least 70% of
municipal return
or $70,000 Source Explanation
1A
Peninsula MS4 Permit and TMDL
Monitoring Program $ 72,364.10 $ 39,063.82
CIMP MOU Cost share amount based
amount invoiced by RPV for FY21-22 ($
66,146.10) plus FY2021-22 Gateway
invoice for Harbor Toxics TMDL receiving
water monitoring ($6,218)
CIMP monitoring is an ongoing effort recovered upto the full 30% allowed for ongoing efforts cost.
1B Sepulveda Canyon Study $ 56,953.61 $ 48,960.55
Remaining unspent amount in amended
contract/cost estimate from NV5 for extra
flow monitoring in FY2122 plus new scope
for tech memo documenting retention of
85%/24-hr runoff volume
Additional flow monitoring in Sepulveda Canyon and the
hydrology study to demonstrate retention of the 85%, 24-hr runoff volume is a new effort and falls under the 70% category.

Total 1 Stormwater Monitoring Items $ 129,317.71 $ 39,063.82 $ 48,960.55 2 SCW Municipal Program Planning
(FY2122) $ 8,000.00 $ 9,664.20
McGowan Task 2.2 SCW Program for
preparing FY2020-21 annual report and
preparation of plan for 2022-23
actual expenditure for FY2021-22
3 Enhanced Sediment Source
Control [Code Enforcement
oversight of Construction Site
BMPs]
$ 5,000.00 $ 5,000.00
10% of full time code enforcement
position salary during FY2122 (rounded to
$5K since increases by CPI annually)
Eligible in 70% category as new effort to address storm-borne sediment pollutants via source controls.
4 Expanded Low Impact
Development $ 5,000.00 $ 6,938.10 McGowan Task 4.2 actual expenditure for FY2021-22 5 Watershed Management Program
Addendum $ 20,000.00 $ 17,097.00
McGowan Task 7.3 Estimated effort to
revise Peninsula EWMP to include City as
85%/24-hr runoff retaining area
actual expenditure for FY2021-22
6 Development of new Rainwater
Harvesting Webpage and
outreach
- $ 3,489.06
McGowan Task 2.3 plus subcontracted
expenses for website hosting and graphic
design. This effort was originally planned
for expenditure in FY2020-21 however
work was carried over into FY2021-22 due
to delays with SBCCOG website relaunch
with new platform
City's share of expenditure for FY2021-22
$ 39,063.82 $ 91,148.91 $ 130,213 Total Expenditures
$ 104,742.00 actual local return received by City for
SCW Municipal Program
$ 48,588.73
$ 181.00 included in carryover amount in FY2021-22 SCW Annual Report Total SCW Municipal Funds Available to Spend in FY2021-22 $ 153,511.73 STORMWATER EXPENDITURES FOR FY2021-22 UNDER SCW MUNICIPAL PROGRAM Expenditures
Measure W Revenues Received for FY2021-22 from LACFCD
Interest earned in FY2021-22 on Measure W account
Carryover of unspent funds from FY2020-21
67 Agenda Item No.: 7.G
Mtg. Date: 11/14/2022
TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: VANESSA HEVENER, SENIOR MANAGEMENT ANALYST
THRU: ELAINE JENG P.E., CITY MANAGER
SUBJECT: RECEIVE AND FILE SUBMITTAL OF THE ANNUAL MUNICIPAL STORMWATER REPORT FOR FISCAL YEAR 2021-2022
DATE: November 14, 2022
BACKGROUND:

The municipal stormwater permit requires that each city submit an individual annual report no later than December 15 of each year covering the preceding July 1 to June 30 reporting year using the annual report form provided by the Los Angeles Regional Water Quality Control Board (LA Water Board). Each City or Permittee is required to report on its expenditures, funding sources, and progress on implementing the following programs: Non-Stormwater Discharge Prohibitions, Minimum Control Measures, the Non-Stormwater Outfall-Based Screening and Monitoring Program, Trash TMDLs and Trash Discharge Prohibitions.

A new municipal stormwater permit was adopted by the LA Water Board on July 23, 2021, with an effective date of September 11, 2021. Certain of the permit provisions became effective immediately, however the Permittees were given six months from the effective date to implement new provisions of the Minimum Control Measures in Part VIII of the Permit.

DISCUSSION:

On May 3, 2022, shortly before the close of the reporting year, LA Water Board staff issued a memorandum to Permittees outlining how the individual annual report for the 2021-22 reporting year should be structured to reflect the phased implementation of the new permit.

That memo directed Permittees to report on various municipal stormwater permit provisions depending on whether or not they were operating under an approved watershed management program (WMP) during the reporting year.

Since the City had not yet received formal approval to join the Palos Verdes Peninsula Watershed Management Program (WMP) as an 85%, 24-hr retention area, McGowan Consulting prepared the City’s individual annual report according to the approach outlined in the LA Water Board staff memo for Permittees without an approved WMP for the 2021-22 68 reporting year. The main body of the individual annual report uses the form provided in the new municipal stormwater permit, and is accompanied by several attachments, most notably, Attachment D which contains excerpts from the previous permit’s annual report form that have been completed for the partial reporting period prior to the effective date of the new municipal stormwater permit requirements as directed in the LA Water Board memo. In each form, the reporting period covered is denoted by bold text at the top of each section.

This individual annual report meets the City’s obligation to prepare an annual report detailing its municipal stormwater program implementation. It will be finalized with supporting attachments and submitted to the LA Water Board by the December 15 deadline.

FISCAL IMPACT:

The cost of preparing the mandated Annual Report and attachment are included in the approved budget for Fiscal Year 2022-2023.

RECOMMENDATION:

Receive and file submittal of the City's Individual Annual Municipal Stormwater Report for Fiscal Year 2021-2022
ATTACHMENTS:

CL_AGN_CC_221114_RH_Annual Report 2021-22(Final).pdf
CL_AGN_CC_221114_RH_AR_2021-22_Sec8attachD(Final).pdf
69 City of Rolling Hills Reporting Year 2021-22
1 Regional Phase I MS4 NPDES Permit
Order No. R4-2021-0105
NPDES No. CAS004004
City of Rolling Hills Individual Annual Report
Reporting Year 2021-22
Sections 2-8 of this form include items to be reported individually by each Permittee for this reporting year unless otherwise indicated.

Permittee Name City of Rolling Hills
Permittee Program Contact Vanessa Hevener
Title Senior Management Analyst
Address 2 Portuguese Bend Road
City Rolling Hills
Zip Code 90274
Phone 310-377-1521
Email [email protected]
List of Attachments
ATTACHMENT A: City Attorney Statement of Legal Authority ATTACHMENT B: Machado Lake Trash TMDL Reporting Form
Attachment C: Santa Monica Bay Debris TMDL Reporting Form Attachment D:

Section 8 Attachment prepared according to 2021-2022
Reporting Year Submittal Schedule
70 71
City of Rolling Hills Reporting Year 2021-22
3 3. Program Expenditures
Complete the following items in this section.

3.1 Source(s) of funds used in this reporting year, and proposed for the next reporting year, to meet necessary expenditures on the Permittee’s stormwater management program [Order – VI.C.2].

The City has funded the implementation of the MS4 Permit and TMDL compliance primarily through its General Fund. The City is receiving approximately $100,000 per year from the Safe Clean Water Program for its municipal stormwater program which addresses a portion of the stormwater program costs.

The City utilizes contract Building & Safety services for new and redevelopment plan checking, permitting, and construction site inspections. The contract building officials collect permit fees from developers that offset the cost of stormwater compliance review and inspection for development projects under the Planning and Land Development Program and the Development Construction Program – those costs and fees are not included in the following program expenditures. 72 City of Rolling Hills Reporting Year 2021-22
4 3.2 Complete the table below on program expenditures for this reporting year [Attachment D – VII.A.5]. Enter “0” for any fields that do not apply.

Category
Capital
Expenditures
1 Land Costs
Personnel
Cost
Consultant (s) Cost
Overhead
Costs
Construction
Costs
Permit(s), Operation,
and Maintenance
(O&M) Costs
Total Expenditures
for this Reporting
Year
Program Budget for
Next Reporting Year
(1) Program Management2 $ 6287.12 $31,906.60 $ 38,193.72 $ 34, 591.24 (2) NPDES MS4 Permit Fees $ 7,067.00 $7,067 $ 7,067.00 (3) Minimum Control Measures (MCMs) PIPP $ 16,194.76 $ 16,194.76 $ 16,100
Industrial / Commercial
Facilities Program
-
Planning & Land
Development Program3
$ 6,177.90 $ 6,177.90 $ 3,600
Construction Program $ 3,300
Public Agency
Activities Program
$ 688.10 $ 688.10 $ 6,600
IDDE Program $ 50.40 $ 50.40 $ 1,800
Additional Institutional
BMPs / “Enhanced”
MCMs
$ 5,000.00 $ 6,938.10 $ 119,800.00 $ 131,738.10 $ 43,100 1 Exclude land costs.
2 Including but not limited to program management plans, mail, legal support, travel, conferences, printing, producing manuals and handbooks, annual/semi-annual reporting, development and maintenance of any electronic databases required by this permit including GIS, and other non-labor costs.
3 Including but not limited to environmental review, development project approval and verification, and permitting and licensing costs specific to the provisions of the Order that are beyond the scope of a normal plan review, permitting, and inspection process. 73 City of Rolling Hills Reporting Year 2021-22
5 Category
Capital
Expenditures
1 Land Costs
Personnel
Cost
Consultant (s) Cost
Overhead
Costs
Construction
Costs
Permit(s), Operation,
and Maintenance
(O&M) Costs
Total Expenditures
for this Reporting
Year
Program Budget for
Next Reporting Year
(4) TMDL Implementation Plan /
Watershed Management
Program Development 4
$ 17,097.00 $ 17,097.00 -
(5) Projects
5Distributed Projects
and Green Streets
Regional Projects
Other Structural BMPs
(6) Trash Compliance
Trash TMDLs6
Discharge Prohibitions
- Trash7
4 Include costs for development and/or revision of Implementation Plans (e.g., TMDL Implementation Plan, Watershed Management Programs including Reasonable Assurance Analysis). Specify which plans these are in Section 3.3. 5 If a Permittee is implementing a project collaboratively, the Permittee should only include the portion of the project cost that it is assuming. 6 Includes full capture, partial capture, and institutional controls used to comply with trash TMDLs. 7 Includes full capture, partial capture, and institutional controls used to comply with Statewide Trash Provisions. 74 City of Rolling Hills Reporting Year 2021-22
6 Category
Capital
Expenditures
1 Land Costs
Personnel
Cost
Consultant (s) Cost
Overhead
Costs
Construction
Costs
Permit(s), Operation,
and Maintenance
(O&M) Costs
Total Expenditures
for this Reporting
Year
Program Budget for
Next Reporting Year
(7) Monitoring
Monitoring Plan
Development8
$ 1,844.26
Outfall and Receiving
Water Quality
Monitoring
$ 69,722.29 $ 3,738.81 $ 73,461.10 $ 45,493.03
BMP Effectiveness
Monitoring
$ 53,464.30 $ 54,464.30 $ 23,000
Regional Studies9
Special Studies10
(8) Other11
TOTAL $ 11,287.12 $ 202,239.45 $ 3,738.81 $ 126,867.00 $ 344,132.38 $ 186,495.53

3.3 Additional Information: Please add any additional comments on stormwater expenditures below.

As shown in the foregoing table, monitoring costs comprised 37% of the City’s stormwater expenditures during Reporting Year 2021-22. Administrative costs for program management, reporting and permit fees comprised 13% of the City’s stormwater expenditures. Thus, monitoring and program administration together comprised 50% of the City’s stormwater expenditures in 2021-22, with stormwater program implementation cost comprising the remaining 50% of stormwater expenditures. 8 Includes costs to develop and/or revise monitoring plans (e.g., TMDL Monitoring Plan, IMP, CIMPs, non-stormwater screening and monitoring program). Specify which plans these are in Section 3.3. 9 Includes costs to comply with Part X (Regional Studies) of the Attachment E-MRP. 10 Includes costs to comply with Part XI (Special Studies) of the Attachment E-MRP. 11 Enter costs in this table but specify what this “Other” category consists of in Section 3.3. 75 City of Rolling Hills Reporting Year 2021-22
7 The City employs a very small staff, with one staff person assigned lead responsibility for implementation of the stormwater program. The City retains a stormwater consulting firm to assist with MS4 Permit coordination, management, and implementation, including the City’s share of watershed coordination and implementation efforts. 76 City of Rolling Hills Reporting Year 2021-22
8 4. Non-Stormwater Discharge Prohibitions [reporting period 9/11/21 – 6/30/22] Complete the following items in this section.

4.1 Provide an assessment of the effectiveness of the Permittee’s control measures in effectively prohibiting non-stormwater discharges into the MS4 to the receiving water [Order – III.A].

4.2 Describe sources of non-stormwater discharges determined to be a NPDES permitted discharge, a discharge subject to CERCLA, a conditionally exempt non-stormwater discharge, or entirely comprised of natural flows [Order - III.A.2].

No such non-stormwater discharges to the MS4 have been identified by the City.

4.3 Check all that apply [Order – III.A.4].

There has been non-stormwater discharge(s) to an ASBS ☐ The non-stormwater discharge(s) to the ASBS caused or contributed to an exceedance receiving water limitations, WQBELs, water quality objectives in Chapter II of the Ocean Plan, or an undesirable alteration in natural ocean water quality in an ASBS
☐
Additional BMPs were implemented to address the exceedances above ☐

4.4 If you had non-stormwater discharge(s) to an ASBS that caused or contributed to an exceedance receiving water limitations, WQBELs, water quality objectives in Chapter II of the Ocean Plan, or an undesirable alteration in natural ocean water quality in an ASBS, describe what additional BMPs were implemented to address these exceedances. How effective were those BMPs in addressing the exceedances? [Order - III.A.4.b] Not applicable, the MS4 system serving the City does not discharge to an ASBS.

4.5 Did you develop and implement procedures to ensure that a discharger, if not a named Permittee in this Order, fulfilled the requirements of Part III.A.5.a.i-vi? If so, provide a link to where the procedures may be found or attach to this Annual Report [Order – III.A.5.a].

Given the City’s entirely residential, semi-rural character with drainage consisting primarily of natural drainage courses, many of the provisions of Part III.A.5.a do not apply.

Results of the City’s Non-stormwater Screening and Monitoring Program have demonstrated that the City’s non-stormwater control measures are effective. Additionally, two years of continuous flow monitoring at a representative natural drainage outfall location in the City has further documented the that non-stormwater discharges from the City into downstream MS4s have been effectively eliminated.
77 City of Rolling Hills Reporting Year 2021-22
9 The City has developed and implements an Illicit Discharge Elimination Program to respond to reports of illicit discharges into the natural canyon drainage system.

Additionally, with respect to the conditions for landscape irrigation using potable water, since 2010 the City has been applying water efficient landscape requirements to projects subject to discretionary review. On May 13, 2019, the City adopted its own water efficient landscape ordinance consistent with the amended statewide 2015 MWELO. During the reporting year six (6) landscape plans were reviewed by the City for consistency with the City’s water efficient landscape ordinance, and of these one (1) project completed installation. The City also disseminates educational material on native and drought tolerant landscaping, water conservation, and water use restrictions through the City’s website: https://www.rollinghills.org/government/planning_and_community_services/index.php#lanscapedesignstandard s. Additionally, California Water Service, the retail water provider to all residents in the City, has instituted prohibitions on outdoor water use as described at:
https://drought.calwater.com/ which are consistent with the requirements for conditionally exempt non-stormwater discharges. The City’s Environmental Programs pages disseminates information on other types of conditionally exempt discharges that may occur from residential land uses with the City.

4.6 Did you organize and maintain records of all notifications, local permits, and non-stormwater discharges greater than 100,000 gallons in an electronic database? (Yes or No) [Order – III.A.5.b]
The City has not received notifications of non-stormwater discharges greater than 100,000 gallons since the effective date of the Permit but plans to do so if it is notified of such discharges in the future. Los Angeles County Flood Control District would be the more likely recipient of such notifications since it operates the MS4 infrastructure which receives discharges from the natural canyon drainage system in the City. The City does not issue local permits for conditionally-exempt non-stormwater discharges.

4.7 Did you determine that any of the conditionally exempt non-stormwater discharges, with the exception of essential non-stormwater discharges, identified per Part III.A.5.c of the Order is a source of pollutants that causes or contributes to an exceedance of applicable receiving water limitations and/or water quality-based effluent limitations? If so, how many of the conditionally exempt non-stormwater discharges in Part III.A.3.b of the Order did you determine to be sources of pollutants that caused or contributed to an exceedance of receiving water limitations or WQBELs? If you made that determination, which type(s) of nonstormwater discharges in Part III.A.3.b were sources of pollutants? [Order – III.A.6] No, the City has not identified any conditionally exempt non-stormwater discharges that have caused or contributed to an exceedance of appliable receiving water limitations or WQBELs.

The City submitted a source investigation report with the reporting year 2016-17 Annual Report which found no conditionally exempt discharges from the City to the MS4.

Additionally, continuous flow monitoring conducted during the current and previous reporting years in a representative canyon drainage system within the City also 78 City of Rolling Hills Reporting Year 2021-22
10 demonstrated that the strategies, control measures and BMPs implemented by the City cumulatively retained any conditionally exempt, non-essential non-stormwater.

4.8 If you answered yes to the question 4.7 above, check all that apply [Order – III.A.6].

Effectively prohibit the non-stormwater discharge into the MS4 ☐ Impose conditions in addition to those in Table 5 of the Order, subject to approval by the Los Angeles Water Board Executive Officer, on the non-stormwater discharge such that it will not be a source of pollutants ☐
Require diversion of the non-stormwater discharge to the sanitary sewer ☐ Require treatment of the non-stormwater discharge prior to discharge to the receiving water ☐
79 City of Rolling Hills Reporting Year 2021-22
11 5. Non-Stormwater Outfall Screening and Monitoring [reporting period 9/11/21 – 6/30/22] Complete the following items in this section.

5.1 Complete the tables below regarding your Non-Stormwater Outfall-Based Screening and Monitoring Program [Attachment E – VII]. Receiving Water No. of Outfalls within your Jurisdiction No. of Outfalls Screened during this Reporting Year No. of Screening
Events During This
Reporting Year
Outfalls with Significant NonStormwater Discharges12 Total Confirmed Total Abated Total Attributed to Allowable Sources13 Total Being Monitored Machado Lake 3 1
Continuous
flow
monitoring
0 - - 0
LA Harbor 1 0 - 0
Santa Monica Bay 2 0 0 - - - 0
Total 6 1 Continuous 0 NA - 0
Method of Abatement Total No.

Low Flow Diversion (LFD) NA
Illicit Discharges Eliminated NA
NPDES Permitted NA
Retention NA
Discharge No Longer Observed NA
Other (describe in Section 5.3)

5.2 Los Angeles County Permittees: Did you consider dry weather receiving water monitoring data downstream of the outfalls and other relevant information to determine if re-screening is necessary for any of the previously screened outfalls that did not have significant nonstormwater discharge? If so, explain how many outfalls require re-screening and when re12 “Significant Non-Stormwater Discharges” as identified by the Permittee per Part VII.B of the Attachment E - MRP.
13 “Allowable Sources” refers to the discharges exempt from the Prohibition of Non-Stormwater Discharges listed in Part III.A.2 of the Order.
80 City of Rolling Hills Reporting Year 2021-22
12 screening will be completed. If applicable, describe any changes made to the program [Attachment E – VII.D.2].

The Peninsula WMG regularly evaluates dry weather receiving water monitoring data in the Santa Monica Bay, Machado Lake, and the Los Angeles Harbor waters to which the group is tributary. Analysis of dry weather receiving water monitoring in the reporting year is included in the Palos Verdes Peninsula Watershed Monitoring Report.

The City of Rolling Hills Non-Storm Water Screening and Monitoring Program (NSW Screening & Monitoring Program) was re-assessed during reporting year 2016-17 based on the results of the completed Source Investigation and no outfalls were found to have significant nonstormwater discharges. Additionally, during reporting year 2020-21 and 2021-22, the City conducted a continuous flow monitoring study in its largest tributary canyon within the Machado Lake Watershed area of the City, the Sepulveda Canyon, which had previously not been screened because it was thought to have exempt baseline natural flow; the two-year Sepulveda Canyon flow monitoring study documented the absence of non-stormwater flow, natural or otherwise, from that canyon to the MS4.

5.3 Additional Information. If desired, provide additional information regarding Non-Stormwater Outfall Screening and Monitoring.
81 City of Rolling Hills Reporting Year 2021-22
13 6. Minimum Control Measures [reporting period 3/12/22 – 6/30/22] Complete the following items in this section.

6.1 General Provisions [Order – VIII.A.3]
Did you train all your employees in targeted positions (whose interactions, jobs, and activities affect stormwater quality) on the requirements of the Minimum Control Measures in this Order, or did you ensure contractors performing privatized/contracted municipal services are appropriately trained to: (a) Promote a clear understanding of the potential for activities to pollute stormwater, (b) Identify opportunities to require, implement, and maintain appropriate BMPs in their line of work? (Yes or No)
Yes, employees in targeted positions were trained on the requirements of the Minimum Control Measures.

6.2 Public Information and Participation Program [Order - VIII.D] Complete the following item regarding the Public Information and Participation Program.

6.2a) Summarize opportunities created for public engagement in stormwater planning and program implementation to raise public awareness of stormwater program benefits and needs (e.g., Don’t Trash California campaign). Note whether activities were performed by the jurisdiction or as part of a watershed, regional, or county-wide group [VIII.D.3.a].

The county-wide public awareness campaign Water for LA County being implemented by the County of Los Angeles aims to “transform LA County residents from passive water consumers to empowered and informed water advocates…”. The website provides a wealth of information, including a toolkit on how to become a water advocate.

The Safe Clean Water Program, funded by Measure W, engages the public on a county-wide, watershed, and jurisdictional level to engage in planning and implementation of projects and programs to improve water quality and raise awareness of the benefits and needs for these projects and programs. The City lies within the South Santa Monica Bay Watershed and is represented at that Watershed Area Steering Committee by the Palos Verdes Peninsula Watershed Management Group representative to that body. The City’s Safe Clean Water Municipal Program funds are programmed through an Annual Plan which is considered for approval by the City Council at a publicly noticed meeting. The final plan is also posted on the Safe, Clean Water Program website. During the reporting year the City’s FY2022-23 Municipal Safe Clean Water Annual Plan budget was developed and considered by its City Council.

The City engages its governing board, the City Council, and its residents through duly noticed agendas and public meetings, including most stormwater quality program and project decisions.

The City also utilizes its monthly newsletter to advise its residents of upcoming opportunities for participation in activities related to stormwater pollution prevention such as:
82 City of Rolling Hills Reporting Year 2021-22
14 • green waste collection/pickup events (organic waste, nutrients and wildfire-mobilized storm-borne sediment-associated pollutants)
• e-waste collection (toxic pollutants)
• removal of invasive tumbleweeds from properties and roadsides (wildfire-mobilized storm-borne sediment-associated pollutants)
• reminders and recommendations on wildfire fuel abatement measures (wildfiremobilized storm-borne sediment-associated pollutants)

6.2b) Summarize educational activities and public information activities to facilitate stormwater and non-stormwater pollution prevention and mitigation. What pollutants were targeted? What audiences were targeted? Note whether activities were performed by the jurisdiction or as part of a watershed, regional, or county-wide group [VIII.D.3.b].

Educational materials and links to related websites are available for the City’s residents on the City’s website through its Environmental Programs page. Topics on this page include:
• Water Pollution Prevention
• Water Conservation
• Sustainable Gardening and Landscaping
• Household Waste Management
• Wildfire Prevention
• Septic systems (OWTS)
This page targets residents of the City and targeted pollutants include: nutrients (nitrogen and phosphorus), bacteria, sediment-born pollutants such as legacy toxics and PAHs, and metals.

The City is a member of the South Bay Cities Council of Governments which, through its South Bay Environmental Services Center (SBESC), circulates numerous PSAs via e-mail blasts to residents regarding opportunities to learn and become actively involved in water conservation and stormwater pollution prevention. Examples of events that were promoted over the past reporting year include:
• Water Replenishment District’s Eco Gardener classes covering sustainable landscape design, composting, drought tolerant plants, edible gardening, and irrigation basics • West Basin Municipal Water District Workshops, Classes and Virtual Events, including:
o Rain Barrel Pick Up events
o Virtual Water Harvest Event
o CA Friendly Garden Design Workshop
o West Basin Chats about the application process for water conservation rebate programs including the Grass Replacement Rebate and Change and Save Programs o Know Your H2O Classes
83 City of Rolling Hills Reporting Year 2021-22
15 o Edward C Little Recycling Water Facility Tours
o Water Lab online classes, virtual tours, and other family-friendly resources to explore where water comes from, the types of water produced at the District’s water recycling facility, and how to safeguard homes from wildfire risk.

The City also contributes support for the maintenance of the Environmentally Friendly Landscaping, Gardening, and Pest Control webpages being hosted on the South Bay Environmental Services Center through a collaborative outreach effort between the Peninsula WMG and the Beach Cities WMG, and links residents to the webpage from its City website:
http://www.southbaycities.org/programs/environmentally-friendly-landscaping-gardening-and-pestcontrol These webpages target residential landscapers and gardeners and targeted pollutants include:
nutrients and pesticides and fertilizers.

During the reporting year the Palos Verdes Peninsula WMG’s joint outreach and engagement efforts were focused on updating the Rainwater Harvesting webpages on the South Bay COG Environmental Services website along with a media kit for use in promoting the new webpage. This outreach and engagement targets the single-family residential community who are the predominant land users in the City and encourages retention of stormwater on individual properties which reduces the discharge of all types of stormwater-associated pollutants. The positive messaging highlights the multiple benefits and relative ease of rainwater collection in drought-stricken Southern California.

The City leverages the county-wide Environmental Defenders and Generation Earth programs to educate K-5 school children on stormwater pollution prevention. The Environmental Defenders Rock the Planet – You Can Change the World Tour is a 30-minute, high-energy assembly program that is offered free to all elementary schools in Los Angeles County, including the Palos Verdes Peninsula Unified School District schools attended by children living in Rolling Hills. Teachers or administrators can schedule the virtual assembly online at http://dpw.lacounty.gov/epd/defenders/schedule.asp. and download free lesson plans to utilize at home or through remote learning.

The Generation Earth program is an environmental education program that provides training and support to secondary school teachers and students at public and private schools within Los Angeles County. The program offers tools and techniques for service-learning projects that meet state curriculum standards. These activities and publications are available for educators to download for free at http://dpw.lacounty.gov/epd/ge/ProjectResources.aspx. The water pollution prevention toolkit explores the water pollution potential on a typical campus and guides students in conducting a water audit of the campus and choosing from a variety of options to reduce water waste and pollution. Generation Earth also offers interactive virtual workshops that address environmental topics and project ideas at school and at home.

The Palos Verdes Peninsula Land Conservancy’s School-Based Programs help children understand the beauty and significance of the Palos Verdes Peninsula’s natural areas and empower them to play a role in their preservation. From elementary school science programs to student research projects, the goal is to create a commitment to science and nature and to inspire excitement about the outdoors. The long-standing 3rd Grade Student Naturalist Program has been implemented for decades—the program serves 24 schools annually with approximately 2,000 students participating. 84 City of Rolling Hills Reporting Year 2021-22
16 The program offers online educational video lessons and a nature handbook along with a homebased wildlife survey and habitat survey to help students learn how they can improve the habitat around their homes for wildlife.

West Basin Municipal Water District also offers a wide array of educational programs, contests, and tours to help students in grades 3 -12 find out more about water and water conservation. Educators and school administrators are notified about the programs through a quarterly newsletter, Waterworks. http://www.westbasin.org/community/education. Programs include water treatment facility tours, career-focused classroom presentations, water themed assemblies and engineering challenges. All activities support the Common Core State Standards and the Next Generation Science Standards. West Basin fosters student creativity and innovation throughout its service area by hosting the annual "Water is Life" student art contest. Student artists inspire their communities to support water conservation as a way of life by creating thought-provoking water-smart pieces of art.

West Basin also held its annual Water Is Life Art contest for K-12 students.

The Water Replenishment District also held a Water is Life! Art contest during the reporting year, calling on K-6 students in WRDs service area to submit original art demonstrating the importance of groundwater and/or water conservation for WRD’s 2022 student art calendar. In addition, WRD’s education program provides interactive virtual activities that engage students on the importance of groundwater, water treatment and conservation, including virtual tours of the Albert Robles Center for Water Recycling and Environmental Learning, water-related Story Time where a WRD “Water Nerd” shares their love for water related stories, and a water conservation bracelet kit featuring colored beads representing pledges to conserve water.

Solar Cup is science-technology-engineering-arts-mathematics (STEAM) team-focused program in which high school students work in teams to learn engineering, physics, math, technical writing and career-building skills. Students use these new skills to transform an empty boat hull into a fully operational solar powered boat. This innovative water education and environmentally sustainable technology program is funded by the Metropolitan Water District of Southern California and its member agencies including West Basin Municipal Water District. West Basin MWD sponsored two Solar Cup 2022 online teams, including Palos Verdes Peninsula High School serving kids living in Rolling Hills, which won seven awards during the 2022 competition. https://www.westbasin.org/community/education/solar-cup-boat-building-and-racing-competition/

6.2c) In selecting targeted pollutants for public information/education topics, did you consider the proper management and disposal of (1) vehicle wastes (e.g., used oil, used tires); (2) household waste materials (i.e., trash and household hazardous waste, including personal care products, pharmaceuticals, and household cleaners); (3) pesticides, herbicides, and fertilizers; (4) green waste; and (5) animal wastes? (Yes or No) If no, what other materials were considered? [VIII.D.3.b.i] Yes.
85 City of Rolling Hills Reporting Year 2021-22
17 6.2d) Which of the following methods were selected to distribute public information/ educational materials? [VIII.D.3.b.ii]
Category Yes No
Internet-based platforms (e.g., stormwater websites,
social media websites and applications) ☒ ☐
Commercial points-of-purchase (e.g., automotive parts
stores, home improvement centers/ hardware stores/
paint stores, landscape / gardening centers, pet shops) ☐ ☒
Schools (K- 12) ☒ ☐
Radio/television ☐ ☐
Community events ☒ ☐
Other (specify) newsletters to residents ☒ ☐

6.2e) Did you document and track information on the implemented Public Information and Participation activities including activity, date(s), method of dissemination, targeted behavior, targeted pollutant, targeted audience, culturally effective method(s), other information necessary for the metrics identified in Part VIII.D.4.a of the Order, and metric for measuring effectiveness? (Yes or No) [VIII.D.4.b] Yes.

6.2f) What metrics did you use to measure the effectiveness in achieving the objectives of the Public Information and Participation Program? Considering those metrics, is your Public Information and Participation program effective? Explain [VIII.D.4.a].

The following metrics for the Public Information and Participation Program were tracked:
• Environmentally Friendly Landscaping, Gardening and Pest Control webpage views • Number of regional events and workshops
• Number of regional and City meetings with stormwater topics • City Blue Newsletter articles
• Tonnage of green waste collected by City’s waste hauler • Rain barrels distributed by water agencies to residents in Rolling Hills Given that this is the first reporting year tracking most of these metrics, it is premature to assess effectiveness.

6.2g) Additional Information. If desired, provide additional information regarding implementation of the Public Information and Participation Program.

The City participates in the Peninsula Watershed Management Group which has been implementing a customized, collaborative Public Information and Participation Program (PIPP) as approved by the Regional Board in March 2019. This customized PIPP was adapted to address the Peninsula WMG’s highest water quality priorities and to allow for effective and targeted distribution of education and outreach materials to Palos Verdes Peninsula 86 City of Rolling Hills Reporting Year 2021-22
18 residents. This customized strategy includes the development of outreach materials promoting behavioral change in the residential community that is a source of targeted pollutants of concern to the Peninsula WMG, including metals, PAHs, legacy sedimentassociated toxic pollutants, nutrients and indicator bacteria.

6.3 Industrial and Commercial Facilities Program [Order – VIII.E] Complete the following items regarding the Industrial and Commercial Facilities Program.

6.3a) Watershed-Based Inventory:

Question Yes No
Have you updated your watershed-based inventory or database of all industrial and commercial facilities within your jurisdiction that are critical sources14 of stormwater pollution identified in Part VIII.E.2 of the Order (inventory shall be updated at least once every 2 years)? ☐ ☒

6.3b) If you answered yes to question 6.3a above, what is the total number of facilities in your inventory list?
Not applicable. There are no industrial or commercial facilities under the City’s jurisdiction.

6.3c) If you answered no to question 6.3a above, when will you update the inventory list? Not applicable. There are no industrial or commercial facilities under the City’s jurisdiction.

6.3d) Commercial Facilities [VIII.E.3]:
14 Part VIII.E.2.a of the Regional MS4 Permit summarizes “critical sources” to be tracked. 87 City of Rolling Hills Reporting Year 2021-22
19 Question Response
In implementing the Outreach Program, how many
commercial facilities did you reach out to during this
reporting year?
Not Applicable
In implementing the Business Assistance Program, how
many commercial facilities did you assist during this
reporting year?
Not Applicable
How many commercial facilities did you inspect during this reporting year?
Not Applicable
Of the commercial facilities inspected during this reporting year, how many were the first, second, third, etc. round of inspections? For example, report x number of first-round inspections, y number of second-round inspections, z
number of third-round inspections, etc. Each round of
inspections corresponds to the requirement to conduct an inspection every two years.

Not Applicable
How many of the total commercial facility inspections had stormwater violation(s) during this reporting year? Not Applicable

6.3e) Industrial Facilities [VIII.E.4]:

Question Response
How many facilities from question 6.3b are industrial facilities with SIC codes that require enrollment in the IGP? (in this reporting year)? Not Applicable
How many industrial facilities did you report to the Los Angeles Water Board as non-filers during this reporting year?
Not Applicable
In implementing the Business Assistance Program, how many industrial facilities did you assist during this reporting year?
Not Applicable
How many Industrial facilities did you inspect during this reporting year? Not Applicable Of the commercial facilities inspected during this reporting year, how many were the first, second, third, etc. round of inspections? For example, report x number of first-round, y number of second-round, and z number of third-round, etc. Each round of inspections corresponds to the requirement to conduct an inspection every two years.

Not Applicable
How many of the total industrial facility inspections had stormwater violation(s) during this reporting year?
Not Applicable

6.3f) Enforcement Actions: Describe the number and nature of any enforcement actions taken related to the industrial and commercial facilities program [VIII.E.6].

Not Applicable

6.3g) Additional Information. If desired, provide additional information regarding implementation of the Industrial and Commercial Facilities Program. 88 City of Rolling Hills Reporting Year 2021-22
20 Not Applicable

6.4 Planning and Land Development Program [VIII.F]
Complete the following items regarding the Planning and Land Development Program.

6.4a) Priority Development Projects: Complete the table below for Priority Development Projects as of the end of this Reporting Year [VIII.F.1].

Development
Type
Number of Priority
Development Projects
Completed During This
Reporting Year
Number of Priority
Development
Projects InProgress
New
Development 0 0
Redevelopment 0 1

6.4b) Use of Alternative Compliance Measures for Priority Development Projects. Provide the number of Priority Development Projects completed during this Reporting Year that utilized alternative compliance measures per Part VIII.F.4.b of the Order.

Category Number of Projects
On-site Biofiltration 0
On-site Flow-based BMPs 0
Off-site Infiltration 0
Groundwater Replenishment Projects 0
Off-site Retrofit Projects 0
Other 0

6.4c) Exemptions to Priority Development Project Performance Requirements. If the Permittee is implementing an approved Local Ordinance Equivalence or an approved Regional Stormwater Mitigation Program per Part VIII.F.1.c, describe the area covered by these exemptions; and the number and names of Priority Development Projects that were exempted from the Order’s Priority Development Project Structural BMP Performance Requirements.

Not applicable.

6.4d) Priority Development Project Greater Than 50 Acres. If applicable, provide information on any Priority Development Projects with a project area greater than 50 acres that were completed during this Reporting Year or are currently in-progress. Information should include the name and location of the project(s) and whether the project(s) are new development or redevelopment.

None
89 City of Rolling Hills Reporting Year 2021-22
21 6.4e) Hydromodification Management: If applicable, provide information on the name, location, and nature of any projects requiring hydromodification controls that were completed or in-progress within this Reporting Year [VI.F.2].

None

6.4f) Exemptions to Hydromodification Controls: Are there any areas where assessments of downstream channel conditions and proposed discharge hydrology indicate that adverse hydromodification effects to beneficial uses of Natural Drainage Systems are unlikely, per Part VIII.F.2.b? If so, what are the numbers and names of the New Development and Redevelopment projects exempt from implementation of hydromodification controls?
No projects were reviewed or necessitated such assessments during the reporting year.

6.4g) Tracking, Inspection and Enforcement of Post-Construction BMPs: Describe the number and nature of any enforcement actions taken related to the planning and land development program [VIII.F.3.c.v].

Question Yes No
Does your program implement a GIS or other electronic system for tracking Priority Development Projects and Hydromodification Management Projects that at a minimum contains all the information required by Permit? ☒ ☐
Does your program inspect all Priority Development Projects and Hydromodification Management Projects upon completion of construction and prior to issuance of occupancy certifications to ensure proper installation of post-construction BMPs?
☒ ☐

6.4h) Additional Information. If desired, provide additional information regarding implementation of the Planning and Land Development Program.

By design, the City is a model of low-impact development utilizing nature-based solutions for management of stormwater. A substantial area of land in Rolling Hills is constrained from development due to steep hillsides and canyons; the use of these areas as wildlife habitats and native vegetation is emphasized. Rolling Hills’ zoning code further promotes the preservation and appreciation of open space by requiring easements for equestrian/ hiking trails on all lots. There are approximately 30 miles of unpaved equestrian/hiking trails throughout the City. Roads within the City have many green street features. They are designed as narrow, two-lane undivided winding roads 20 to 25 feet wide with rolling to steep grades lined with significant naturalized landscaping. There are no sidewalks or curband-gutter systems, and roads are not designed to be stormwater conveyance systems.

The City’s Zoning Ordinance contains strict standards for development ratios on each property. Only 40% of the net area of a lot may be disturbed for construction, and the remaining area of the lot must remain in its natural state. Only 35% of the net lot area may 90 City of Rolling Hills Reporting Year 2021-22
22 be developed with impervious surfaces, including structures, patios and other paved areas.

Driveways may not cover more than 20% of the area of the yard in which they are located.

Uncovered motor courts/parking pads may not cover more than 10% of the yard in which they are located. Horse stable access-ways may not be entirely paved and use of 100% gravel or decomposed granite is encouraged. The City has developed a guide for construction of stables on residential properties which includes consideration of proximity to blue line streams and natural drainage courses so as not to negatively affect stormwater quality in the siting of stables, horse wash stations, and manure storage. Tennis and sports courts are encouraged to have pervious surfaces as well. Stormwater run-off that is not contained on properties is conveyed through the City via natural, heavily vegetated, soft bottom drainage courses/canyons, providing ample opportunity for runoff to infiltrate. Installation of cisterns and biofiltration devices are encouraged on projects even when they are not required.

6.5 Construction Program [Order – VIII.G]
Complete the following items regarding the Construction Program.

6.5a) Complete the table below. Only report numbers for sites less than 1 acre.

Question Response
How many new sites of less than one acre commenced their activities during this reporting year?
0 How many sites of less than one acre did you inspect during this reporting year? 1
How many (if any) of the sites from the previous question had a BMP violation [VIII.G.4.b]? 0

6.5b) Complete the table below. Only report numbers for sites 1 acre or greater and construction sites less than 1 acre that are part of a common plan of development totaling 1 acre or greater.

Question Response
What is the date of the latest update made to the site inventory [VIII.G.5.b]? NA How many new sites of 1 acre or greater commenced their activities during this reporting year? 0
How many sites of 1 acre or greater did you report to the Los Angeles Water Board as non-filers [VIII.G.5.a]? 0
How many post-construction plans were reviewed during this reporting year [VIII.G.5.a]? 0
How many of the plans from the previous question were approved during this reporting year? 0
How many (if any) sites of 1 acre or greater did you inspect during this reporting year [VIII.G.5.c]?
0 91
City of Rolling Hills Reporting Year 2021-22
23 Question Response
How many (if any) of the inspected sites were in violation of construction BMPs? 0 How many (if any) of the inspected sites were in violation of post-construction plans? 0
How many of the sites from the previous two questions were reported to the Los Angeles Water Board along with an inspection report? 0

6.5c) Enforcement Actions: Describe the number and nature of any enforcement actions taken related to the development construction program [VIII.G.6].

None.

6.5d) Additional Information. If desired, provide additional information regarding implementation of the Construction Program.

During the plan checking and/or permit issuance stage, plan checkers require that applicable MS4 Permit and Construction General Permit (CGP) requirements are met and that BMPs for construction activities are incorporated into the development plans. The contract building officials require that developers sign a Statement of Understanding Pertaining to BMPs and NPDES Requirements. For any project involving a grading or excavation permit regardless of size, a pre-construction meeting is held between City staff, RHCA staff, the building inspector, the property owner and the contractor and subcontractor to discuss construction BMP requirements and ensure that responsibility for implementing the BMPs is clear. During this meeting, the Small Site Construction brochure, available in English and Spanish, is provided to contractors of sites under one (1) acre to inform them of the required minimum BMPs.

Extra protection during construction is required for projects adjacent to environmentally sensitive areas and, in some cases, a biologist monitors the project and adjacent environmentally sensitive area during construction to ensure that proper protections are maintained.

The City’s code enforcement officer provides additional outreach and oversight of construction sites beyond that provided by contract Building & Safety inspectors.

6.6 Public Agency Activities Program [VIII.H]
Complete the following items regarding the Public Agency Activities Program.

6.6a) Answer the following questions regarding the Public Agency Activities Program.

Question Response
Did you maintain an updated inventory or database of all your owned or operated (i.e., public) facilities and activities within your jurisdiction that are potential sources of stormwater pollution? [VIII.H.2]
☒ Yes
☐ No
92 City of Rolling Hills Reporting Year 2021-22
24 Question Response
For the above inventory, what is the date of the latest update [VIII.H.2.c]? 2016 How many treatment control BMPs including post-construction control treatment BMPs do you own? [VIII.H.2.b.vi]
0 For the above, how many inspections were conducted during this reporting year? [VIII.H.3.e]
NA
How many storm drain inlets do you own? 0
How many of the above are labeled with a legible “no dumping” message? [VIII.H.6.c.i]
NA
Did you inspect the legibility of all the stencils or labels nearest each inlet prior to the wet season during this reporting year? [VIII.H.6.c.ii] ☐ Yes
☐ No
☒ NA
If yes for the above, how many illegible stencils and labels were recorded? NA For the illegible stencils and labels recorded above, how many were restenciled and re-labeled within 180 days of inspection? For those not restenciled and re-labeled, explain why not. [VIII.H.6.c.iii] NA
Did you visually monitor owned open channels and other drainage structures for trash and debris at least annually? [VIII.H.6.d.i]
☒ Yes
☐ No
How many miles of open channels do you own? 0
Did you remove trash and debris from your open channels a minimum of once per year before the wet season? [VIII.H.6.d.ii]
☐ Yes
☐ No
☒ NA
How many parking lots exposed to stormwater do you own that meet either criteria listed in Part VIII.H.9?
None
Did you inspect Permittee-owned parking lots exposed to stormwater that meet either criteria listed in Part VIII.H.9 at least twice per month? Not applicable, no City-owned parking lots meet either criterion. ☐ Yes
☐ No
☒ NA
For the above, how many inspections were conducted during this reporting year? [VIII.H.9]
NA
For the owned parking lots exposed to stormwater, how many cleanings were conducted in total for this reporting year? [VIII.H.9]
NA

6.6b) Street Sweeping: Complete the table below [VIII.H.8]. 93 City of Rolling Hills Reporting Year 2021-22
25 Total Miles of
Street15 in Priority
Category
Frequency of Street
Sweeping (e.g., Twice a
Month, Monthly,
Annually)
Additional Notes
Priority A Not applicable City does not own streets
Priority B Not applicable City does not own streets
Priority C Not applicable City does not own streets

6.7 Illicit Discharge Detection and Elimination (IDDE) Program [Order – VIII.I] Complete the following items regarding the Illicit Discharge Detection and Elimination Program.

6.7a) IDDE Investigations: Complete the table below. Include illicit discharges detected through other inspection programs.

Number of
Reported
Illicit
Discharges
Number of
Investigations
Number
Eliminated
Number
Permitted or
Exempt
If Not
Eliminated or
Permitted /
Exempt,
Explain.

Illicit
Discharges
None

6.7b) Enforcement Actions: Describe the number and nature of any enforcement actions taken related to illicit discharge detection and elimination program [Order – VIII.I.7].

None.

6.7c) What means were provided to the public for public reporting of illicit discharges and other water quality impacts from stormwater and non-stormwater discharges into or from MS4s? [VIII.I.6]
Category Yes No
Telephone hotline ☒ ☐
Email address ☐ ☐
Web-based form / reporting portal ☒ ☐
Other (specify) ☐ ☐

6.7d) Did you document all public reports of illicit discharges and track all investigations? If no, explain why. [Order – VIII.I.8]
None were reported.
15 Permittees shall report the length of street swept in the “total miles of street” and/or “total curb miles of street”, depending on data availability.
94 City of Rolling Hills Reporting Year 2021-22
26 6.7e) Additional Information. If desired, provide additional information regarding implementation of the Illicit Discharge Detection and Elimination Program.

The City’s Illicit Discharge Elimination Program (IDE Program) is focused on elimination of illicit discharges into the City’s natural drainage courses. 95 City of Rolling Hills Reporting Year 2021-22
27 7. Trash Reporting
Complete the following items in this section.

7.1 Trash TMDL Compliance [Order – IV.B.3]

7.1a) If you are subject to Trash TMDLs, complete and attach the provided “Trash TMDL Reporting Forms” in Attachment I of the Order for each applicable Trash TMDL. Report your compliance with the applicable interim and/or final Effluent Limits for trash below. If compliance with the applicable interim and/or final Effluent Limits for trash has not been achieved, explain why.

The City is complying with the final effluent limits in the Machado Lake Trash TMDL and the Santa Monica Bay Debris TMDL through institutional controls and a modified MFAC program as described in its approved Trash Monitoring and Reporting Plan (TMRP). Results from this twelfth year of monitoring found 3 gallons of trash collectively from the seven (7) canyon study areas, equating to

99.9% reduction of trash from its baseline allocation. See Attachment B Reporting Form for Machado Lake Trash TMDL and Attachment C Reporting Form for Santa Monica Bay Debris TMDL.

Both the Santa Monica Bay Debris TMDL and the Machado Lake Trash TMDL were reconsidered by the Regional Board on March 14, 2019. The Regional Board staff report for the reconsideration of these TMDLs accurately stated that the City has met the 100% reduction of trash from baseline waste load allocations. Accordingly, the City submitted its Revised Trash Monitoring and Reporting Plan (TMRP) for Machado Lake Trash and Santa Monica Bay Debris TMDLs on June 17, 2019, which proposed a reduction in monitoring frequency. On June 3, 2021, the City received a letter from the Regional Board Executive Officer granting a reduction from monitoring twice per year to once per year following the first major storm of the year.

7.1b) Mark the compliance approach you have implemented for any applicable Trash TMDLs.
☐ Full Capture Systems
☐ Mass Balance
☐ Scientifically Based Alternative
☒ Minimum Frequency of Assessment and Collection

7.1c) Complete the table below regarding the catch basins within your jurisdiction.

Retrofitted
with Full
Capture
Systems
Retrofitted
with Partial
Capture
Devices
Retrofitting
Infeasible
Not
Retrofitted
Total Number
of Catch
Basins within
Jurisdiction
Owned 0 0 0
Not Owned 0 26 26
Total 0 26 26
The City does not own any catch basins. Review of LACFCD GIS maps indicated a total of 26 catch basins within trash TMDL areas of the City, with 19 identified as owned/maintained by LACFCD, and 7 are attributed to the City but should be identified as private since they are owned/maintained by the private community association which also owns the roadways. 96 City of Rolling Hills Reporting Year 2021-22
28 7.1d) If relying on full capture systems, are the maintenance records of the full capture systems within your jurisdiction up-to-date and available for inspection by the Los Angeles Water Board? [Order – IV.B.3.b.i.(c)]
Not applicable.

7.1e) If implementing a Plastic Pellet Monitoring and Reporting Plan (PMRP), report any known spills (including names and locations) from preproduction plastic (i.e., plastic pellet) generating, transfer, processing, and storage facilities within this reporting year, explain the actions taken for cleanup, and describe the measures taken to prevent future incidents.

Not applicable. City is exempt from PMRP reporting requirements.

7.1f) If implementing a PMRP, how many new preproduction plastic generating, transfer, processing, and storage facilities have been added in Permittee’s jurisdiction within this reporting year that have not been addressed in the PMRP? Not applicable. City is exempt from PMRP reporting requirements.

7.2 Trash Discharge Prohibitions Compliance [Order – III.B]

7.2a) For areas not addressed by a Trash TMDL, and for Permittees that have regulatory authority over Priority Land Uses (PLUs) or Designated Land Uses, indicate the compliance method that was selected in response to the Los Angeles Water Board’s 13383 Order issued on August 18, 2017 as the method to comply with the prohibition of discharge in PLUs within Permittee’s jurisdiction.
☐ Track 1 (Complete items 7.2b – 7.2e)
☐ Track 2 (Complete items 7.2f – 7.2l)

7.2b)If using Track 1 compliance, complete the table below regarding the catch basins within PLUs, designated land uses, and equivalent alternate land uses in your jurisdiction.

Retrofitted with
Full Capture
Systems
Retrofitting
Infeasible
Not
Retrofitted
Total Number of
Catch Basins
within
Jurisdiction
Owned
Not Owned
Total
There are no PLUs within the City

7.2c) If using Track 1 compliance, complete and attach the “Trash Discharge Prohibitions Reporting Form” provided in Attachment I of the Order for PLUs, designated land uses, and equivalent alternate land uses within your jurisdiction. 97 City of Rolling Hills Reporting Year 2021-22
29 Not applicable

7.2d) If using Track 1 compliance, provide a map showing the location and drainage area in PLUs, designated land uses, and equivalent alternate land uses within your jurisdiction served by full capture systems.

Not applicable

7.2e) If using Track 1 compliance, did you properly operate and maintain all full capture systems in PLUs, designated land uses, and equivalent alternate land uses within your jurisdiction? Not applicable

7.2f) If using Track 2 compliance, complete the table below regarding the catch basins within PLUs, designated land uses, and equivalent alternate land uses in your jurisdiction.

Retrofitted with
Full Capture
Systems
Retrofitted with
Partial Capture
Devices
Not
Retrofitted
Total Number of
Catch Basins
within
Jurisdiction
Owned
Not Owned
Total
Not applicable

7.2g) If using Track 2 compliance, provide a map of the location and drainage area in PLUs, designated land uses, and equivalent alternate land uses within your jurisdiction served by full capture systems, multi-benefit projects, other treatment controls, and/or institutional controls.

Not applicable

7.2h) If using Track 2 compliance, did you properly operate and maintain all full capture systems, multi-benefit projects, treatment controls, and/or institutional controls in PLUs, designated land uses, and equivalent alternate land uses within your jurisdiction? Not applicable

7.2i)If using Track 2 compliance, explain what type of and how many treatment controls, institutional controls, and/or multi-benefit projects have been used and in what locations? Not applicable
98 City of Rolling Hills Reporting Year 2021-22
30 7.2j) If using Track 2 compliance, what is the effectiveness of the total combination of treatment controls, institutional controls, and multi-benefit projects employed? Explain the metric to measure the effectiveness.

Not applicable

7.2k) If using Track 2 compliance, explain whether the amount of trash discharged from the MS4 decreased from the previous year. If so, by how much? If not, explain why. To determine the amount of trash discharged from the MS4 and to report on progress towards achieving the interim/ final compliance, provide the results of the trash levels using the methodology identified in the Trash Implementation Plan (e.g., Visual Trash Assessment Approach or other equivalent trash assessment methodology).

Not applicable

7.2l) If using Track 2 compliance, explain whether the amount of trash in the MS4’s receiving water(s) decreased from the previous year. If so, by how much? If not, explain why.

Not applicable

8. Additional Information (Optional)
Provide any additional information in this section.

You may use this section to report any additional information not specified in Sections 2-7 such as information better presented outside of the report form structure, data limitations that prevented the required information from being obtained, and additional detailed summary table describing control measures.

Please see Attachment D for required responses for reporting period covered by Order No.

R4-2012-0175 in this section.

City was not participating in a WMP during the reporting year; however it submitted a notice of intent to join the Palos Verdes Peninsula WMP and prepared and submitted an addendum to the WMP with narrative modifications necessary to include the City as an 85th %/24-hr retention area during the upcoming reporting year. After the close of the reporting year, the City received conditional approval for its participation in the Palos Verdes Peninsula WMP as an 85%, 24-hr retention area.
99 City of Rolling Hills
Individual Annual Report – Section 8 Attachment D
Reporting Year 2021-22
Los Angeles County Municipal Storm Water Permit
(Order No. R4-2012-0175 as amended by Order WQ 2015-0075) NPDES No. CAS004001
This attachment provides information to be reported in accordance with Table 1 2021-2022 Reporting Year Submittal Schedule in the May 3, 2022 memo from Ivar Ridgeway, Municipal Stormwater Permit Unit Supervisor to all Phase I MS4 Permittees. 100
City of Rolling Hills Reporting Year 2021-22
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3. Discharge Prohibitions and Receiving Water Limitations [reporting period 7/1/21 – 9/10/21]
Complete the following items in this section.

3.1 Did you develop and implement procedures to ensure that a discharger, if not a named Permittee in this Order, fulfilled the requirements of Part III.A.4.a.i-vi? If so, provide a link to where the procedures may be found or attach to the Annual Report [III.A.4.a]:

Given the City’s entirely residential, semi-rural character with drainage consisting primarily of natural drainage courses, many of the provisions of Part III.A.4.a.i-vi do not specifically apply to the City as a Permittee.

The City has developed and implements an Illicit Discharge Elimination Program to respond to reports of illicit discharges into the natural canyon drainage system. This includes a Quick Reference Handout on Non-Stormwater Discharges for staff to use in explaining necessary conditions for conditionally-exempt discharges.

3.2 Did you develop and implement procedures that minimize the discharge of landscape irrigation water into the MS4? If so, provide a link to where the procedures may be found or attach to the Annual Report [III.A.4.b]:

Since 2010 the City has been applying water efficient landscape requirements to projects subject to discretionary review. In 2015 the Governor of California issued Executive Order B29-15 instructing the Department of Water Resources to amend the 2010 Model Water Efficient Landscape Ordinance (MWELO) to increase water efficiency standards for new and retrofitted landscapes. On May 13, 2019, the City adopted its own water efficient landscape ordinance consistent with the statewide 2015 MWELO.

The City disseminates educational material on native and drought tolerant landscaping, water conservation, and water use restrictions through the City’s website:
https://www.rollinghills.org/government/planning_and_community_services/index.php#lanscapedesignstandar ds. Additionally, California Water Service, the retail water provider to all residents in the City, has instituted prohibitions on outdoor water use as described at:
https://drought.calwater.com/

3.3 Where Receiving Water Limitations were exceeded, describe efforts that were taken to determine whether discharges from the MS4 caused or contributed to the exceedances and all efforts that were taken to control the discharge of pollutants from the MS4 to those receiving waters in response to the exceedances (e.g., BMPs that were implemented) [Attachment E – XVIII.A.5.e]:
101
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Continuous flow monitoring conducted during the reporting year in a canyon drainage system representative of the City demonstrated that the strategies, control measures and BMPs implemented by the City cumulatively retained all conditionally exempt, nonessential non-stormwater and all stormwater runoff up to and including the runoff volume from an 85th percentile, 24-hour storm event. Please refer to the Peninsula Cities Monitoring Report for an assessment of receiving water and outfall monitoring data. 102
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4. Non-Stormwater Outfall Screening and Monitoring [reporting period 7/1/21 – 9/10/21]
Complete the following items in this section.

4.1 Complete the following tables regarding your Non-Stormwater Outfall Based Screening and Monitoring Program [Attachment E – XVIII.A.3.a-g]. (These tables correspond to Tables 4a and 4b in the Watershed Form.)
Table 4a: Summary of Non-Stormwater Based Screening and Monitoring Receiving Water
and/or

WMP/EWMP
Group
No. of
Major
Canyons
Total No.
of
Canyons
Screened
Since Dec
28, 2012
No. of
Screening
Events
During
Reporting
Year
No. of
Screening
Events
Since Dec
28, 2012
Outfalls with Significant Non-Stormwater Discharges1
Total
Confirmed
Total
Abated
Total
Attributed to
Allowable
Sources2
Total No.

Being
Monitored
Machado Lake 3 3 continuous 4 0 NA NA 0
Santa Monica
Bay 2 2 0 4 0 NA NA 0
Greater LA
Harbor 1 1 0 4 0 NA 0 0
Total 6 6 continuous 12 0 NA 0 0
Table 4b: Summary of Non-Stormwater Discharges Abated During Reporting Year Method Total No.

Low Flow Diversion 0
IC/ID Eliminated 0
Permitted 0
Retention 0
Discharge No Longer Observed 0
Other (describe in Section 4.4) 0

4.2 How many of the conditionally exempt non-stormwater discharges in Part III.A.2.b of the Permit did you determine to be sources of pollutants that caused or contributed to an exceedance of receiving water limitations or WQBELs? If you made that determination, which type(s) of non-stormwater discharges in Part III.A.2.b were sources of pollutants? [III.A.4.d] Zero (0). The City submitted a source investigation report with the reporting year 2016-17 Annual Report which found no conditionally exempt discharges from the City to the MS4.

Continuous flow monitoring conducted during the reporting year in a representative 1 “Significant Non-Storm Water Discharges” as identified by the Permittee per Part IX.C.1 of the MRP 2 “Allowable Sources” include NPDES permitted discharges, discharges subject to a Record of Decisions approved by USEPA pursuant to section 121 of CERCLA, conditionally exempt essential non-storm water discharges, and natural flows as defined in Part III.A.d of the permit.
103
City of Rolling Hills Reporting Year 2021-22
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canyon drainage system in the City demonstrated that the strategies, control measures and BMPs implemented by the City cumulatively retained any conditionally exempt, nonessential non-stormwater. Accordingly, there has been no need to make a determination that any conditionally exempt non-stormwater discharges in Part III.A.2.b of the Permit are sources of pollutants that caused or contributed to an exceedance of receiving water limitations or WQBELs.

4.3 State when the non-stormwater outfall-based screening and monitoring program will be (or was) reassessed. If applicable, describe any changes to program (the program must be re-assessed once during the permit term) [Attachment E – IX.B.2].

The City of Rolling Hills Non-Storm Water Screening and Monitoring Program (NSW Screening & Monitoring Program) was developed in September 2014 and approved by Regional Board staff. The program was re-assessed during reporting year 2016-17 based on the results of the completed Source Investigation and one modification was recommended which was to remove Purple Canyon from the list of canyons to be screened since it is documented to have natural flows consistent with its status as a blue-line stream tributary to George F Canyon, a known perennial stream.

4.4 Additional Information. If desired, provide additional information regarding Non-Stormwater Outfall Screening and Monitoring:

None.
104
City of Rolling Hills Reporting Year 2021-22
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5. Minimum Control Measures [Reporting Period 7/1/21 – 3/11/22] Complete the following items in this section.

5.1 Public Information and Participation Program [VI.D.5] Complete the following item regarding the Public Information and Participation Program.

5.3a) Summarize stormwater pollution prevention public service announcements and advertising campaigns. What pollutants were targeted? What audiences were targeted? Note whether activities were performed by the jurisdiction or as part of a watershed, regional, or countywide group.

The county-wide public awareness campaign Water for LA County has been developed and is implemented by the County of Los Angeles.

The City utilizes its monthly newsletter to advise residents of upcoming opportunities for participation in activities related to stormwater pollution prevention such as:
• green waste collection/pickup events
• e-waste collection
• bulky item pickup and paper shredding events
• removal of invasive tumbleweeds from properties and roadsides • reminders and recommendations on wildfire fuel abatement measures, dead vegetation management, and roadside vegetation management • Christmas tree recycling
The City is a member of the South Bay Cities Council of Governments which, through its South Bay Environmental Services Center (SBESC), circulates numerous public service announcements (PSAs) via e-mail blasts to residents and businesses regarding opportunities to learn and become actively involved in water conservation and stormwater pollution prevention. Examples of events that were promoted over the past reporting year include:
• Water Replenishment District’s Eco Gardener series with four (4) classes covering sustainable landscape design, composting, drought tolerant plants, edible gardening, and irrigation basics
• West Basin Workshops, Classes and Virtual Events, including:
o Several West Basin Chats which aims to address residents’ questions about the application process for District water conservation rebate programs.

These chats covered the Grass Replacement Rebate and Change and Save Programs
o Know Your H2O Classes
o Edward C Little Recycling Water Facility Tours
o Rain Barrel Pick Up events
105
City of Rolling Hills Reporting Year 2021-22
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o Virtual Water Harvest Event
o CA Friendly Garden Design Workshop
o Water Lab, a collection of online classes, virtual tours, and other familyfriendly resources to explore where water comes from, the different types of water produced at the District’s water recycling facility, and how to safeguard homes from wildfire risk.

The City also participates in development and dissemination of joint outreach material developed cooperatively between the Palos Verdes Peninsula Watershed Management Group (Peninsula WMG) and the Beach Cities WMG. During the reporting year the joint outreach and engagement efforts were focused on updating the Rainwater Harvesting webpage on the South Bay COG Environmental Services website. This outreach and engagement targets single-family residents who are the predominant land users in the City and encourages retention of stormwater on individual properties which reduces the discharge of all types of stormwater-associated pollutants. The positive messaging highlights the multiple benefits and relative ease of rainwater collection in drought-stricken Southern California.

5.3b) Which of the following public education materials did you distribute? (check yes or no) Yes No
Information on the proper handling (i.e., disposal, storage and/or use) of vehicle waste fluids? ☒ ☐
Household waste materials (i.e., trash and household hazardous waste, including personal care products and pharmaceuticals)? ☒ ☐ Construction waste materials? ☒ ☐
Pesticides and fertilizers (including integrated pest management practices [IPM] to promote reduced use of pesticides)? ☒ ☐
Green waste (including lawn clippings and leaves)? ☒ ☐
Animal wastes? ☒ ☐

5.3c) Did you distribute activity specific stormwater pollution prevention public education materials at the following points of purchase? If yes, provide the number of points of purchase within each category (if available).

Category Yes No Number of Points of
Purchase
Automotive Part Stores ☐ ☐
Not applicable, no such
establishments in the City
Home Improvement Centers, Lumber Yards,
Hardware Stores, Paint Stores ☐ ☐
Not applicable, no such
establishments in the City
Landscaping, Gardening Centers ☐ ☐
Not applicable, no such
establishments in the City
Pet Shops, Feed Stores ☐ ☐
Not applicable, no such
establishments in the City
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5.3d) Did you maintain stormwater websites or provide links to stormwater websites via your website, which included educational material and opportunities for the public to participate in stormwater pollution prevention and clean-up activities listed in Part VI.D.4? Provide links to the stormwater websites that you maintained and/or the location on your website where you provide links to stormwater websites.

Yes. Educational materials and links to related websites are available on the City’s website through its Environmental Programs page. Topics on this page include:
• Water Pollution Prevention
• Water Conservation
• Sustainable Gardening and Landscaping
• Household Waste Management
Wildfire Prevention
The City also contributes support for the Environmentally Friendly Landscaping, Gardening, and Pest Control webpages being hosted on the South Bay Environmental Services Center through a collaborative outreach effort between the Peninsula WMG and the Beach Cities WMG. http://www.southbaycities.org/programs/environmentally-friendly-landscapinggardening-and-pest-control

5.3e) Did you provide materials to educate school children (K-12) on stormwater pollution? Yes. The City leveraged the county-wide Environmental Defenders and Generation Earth programs to meet the requirement to educate school children in K-5 on stormwater pollution prevention. The Environmental Defenders Rock the Planet – You Can Change the World Tour is a 30-minute, high-energy assembly program that is offered free to all elementary schools in Los Angeles County, including the Palos Verdes Peninsula Unified School District schools attended by children living in Rolling Hills. Teachers or administrators can schedule the virtual assembly online at http://dpw.lacounty.gov/epd/defenders/schedule.asp. and download free lesson plans for educators and families to utilize at home or through remote learning.

The Generation Earth program is an environmental education program that provides training and support to secondary school teachers and students at public and private schools within Los Angeles County. The program offers tools and techniques for servicelearning projects that meet state curriculum standards. These activities and publications are available for educators to download for free at
http://dpw.lacounty.gov/epd/ge/ProjectResources.aspx. The water pollution prevention toolkit explores the water pollution potential on a typical campus and guides students in conducting a water audit of the campus and choosing from a variety of options to reduce 107
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water waste and pollution. Generation Earth also offers interactive virtual workshops that address environmental topics and project ideas at school and at home.

The Palos Verdes Peninsula Land Conservancy’s School-Based Programs help children understand the beauty and significance of the Palos Verdes Peninsula’s natural areas and empower them to play a role in their preservation. From elementary school science programs to student research projects, the goal is to create a commitment to science and nature and to inspire excitement about the outdoors. The long-standing 3rd Grade Student Naturalist Program has been implemented for decades—the program serves 24 schools annually with approximately 2,000 students participating. The program offers online educational video lessons and a nature handbook along with a home-based wildlife survey and habitat survey to help students learn how they can improve the habitat around their homes for wildlife.

West Basin Municipal Water District also offers a wide array of educational programs, contests, and tours to help students in grades 3 -12 find out more about water and water conservation. Educators and school administrators are notified about the programs through a quarterly newsletter, Waterworks. http://www.westbasin.org/community/education.

Programs include water treatment facility tours, career-focused classroom presentations, water themed assemblies and engineering challenges. All activities support the Common Core State Standards and the Next Generation Science Standards. West Basin fosters student creativity and innovation throughout its service area by hosting the annual "Water is Life" student art contest. Student artists inspire their communities to support water conservation as a way of life by creating thought-provoking water-smart pieces of art.

West Basin also held its annual Water Is Life Art contest for K-12 students.

The Water Replenishment District also held a Water is Life! Art contest during the reporting year, calling on K-6 students in WRDs service area to submit original art demonstrating the importance of groundwater and/or water conservation for WRD’s 2022 student art calendar. In addition, WRD’s education program provides interactive virtual activities that engage students on the importance of groundwater, water treatment and conservation, including virtual tours of the Albert Robles Center for Water Recycling and Environmental Learning, water-related Story Time where a WRD “Water Nerd” shares their love for water related stories, and a water conservation bracelet kit featuring colored beads representing pledges to conserve water.

Solar Cup is science-technology-engineering-arts-mathematics (STEAM) team-focused program in which high school students work in teams to learn engineering, physics, math, technical writing and career-building skills. Students use these new skills to transform an empty boat hull into a fully operational solar powered boat. This innovative water education and environmentally sustainable technology program is funded by the Metropolitan Water District of Southern California and its member agencies including West Basin Municipal Water District. West Basin MWD sponsored two Solar Cup 2022 online teams, including Palos Verdes Peninsula High School located serving kids living in Rolling Hills, which won seven awards during the 2022 competition. 108
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https://www.westbasin.org/community/education/solar-cup-boat-building-and-racingcompetition/

5.3f) Additional Information. If desired, provide additional information regarding implementation of the Public Information and Participation Program:

The City participates in the Peninsula Watershed Management Group which has been implementing a customized, collaborative Public Information and Participation Program (PIPP) as approved by the Regional Board in March 2019. This customized PIPP was adapted to address the Peninsula WMG’s highest water quality priorities and to allow for effective and targeted distribution of education and outreach materials to Palos Verdes Peninsula residents. This customized strategy includes the development of outreach materials promoting behavioral change in the residential community that is a source of targeted pollutants of concern to the Peninsula WMG.
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5.2 Industrial and Commercial Facilities Program [VI.D.6] Complete the following items regarding the Industrial and Commercial Facilities Program.

5.2a) Watershed-Based Inventory:

Yes No
Did you maintain and update a watershed-based inventory or database containing the latitude / longitude coordinates of all industrial and commercial facilities within your jurisdiction that are critical sources3 of stormwater pollution?
☐ ☐
Not Applicable

5.2b) Commercial Facilities:

Question Response
Number of Critical Commercial Sources4: How many critical commercial sources are within your jurisdiction (as of the end of the reporting year)? 0 Number of Facility Inspections Conducted during the Reporting Year:

How many inspections of commercial facilities were conducted during the reporting year?
NA
First Round of Mandatory Compliance Inspections5: Did you complete a first round of mandatory compliance inspections of all commercial facilities identified in Part VI.D.6.d of the permit by 12/28/20146? (Yes/No) NA
Second Round of Mandatory Compliance Inspections: Describe your progress on the second round of mandatory compliance inspections of all commercial facilities identified in Part VI.D.6.d of the permit. (To be completed by 12/28/2018.)
NA

5.2c) Industrial Facilities:
3 Part VI.D.6.b.i of the LA County MS4 Permit summarizes “critical sources” to be tracked 4 Part VI.D.6.b.i of the LA County MS4 Permit summarizes “critical sources” to be tracked 5 Permittees are required to inspect all commercial facilities identified in Part VI.D.6.b of the permit twice during the 5-year permit term, provided that the first mandatory compliance inspection occurs no later than 2 years after the effective date of the permit. A minimum interval of 6 months between the first and the second mandatory compliance inspection is required. 6 Permit effective date = December 28, 2012
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Question Response
Number of Critical Industrial Sources: How many critical industrial sources are within your jurisdiction (as of the end of the reporting year)? 0 Number of Facility Inspections Conducted during the Reporting Year:

How many inspections of industrial facilities were conducted during the reporting year?
NA
First Round of Mandatory Compliance Inspections7: Did you complete a first round of mandatory compliance inspections of all industrial facilities identified in Part VI.D.6.d of the permit by 12/28/2014? (Yes/No) NA
Second Round of Mandatory Compliance Inspections: Describe your progress on the second round of mandatory compliance inspections of all industrial facilities that did not file a No Exposure Certification. (To be completed by 12/28/2017.)
NA
No Exposure Verification Inspections8: Describe your progress on performing a second mandatory compliance inspection at a minimum of 25% of facilities identified to have a filed a No Exposure Certification.

NA

5.2d) Enforcement Actions: Describe the number and nature of any enforcement actions taken related to the industrial and commercial facilities program.

None, not applicable.

5.2e) Additional Information. If desired, provide additional information regarding implementation of the Industrial and Commercial Facilities Program.

Industrial/Commercial Program is not applicable because there are no industrial or commercial facilities subject to the City’s jurisdiction.

5.3 Planning and Land Development Program [VI.D.7 and Attachment E-XVIII] Complete the following items regarding the Planning and Land Development Program.

5.3g) New Development Projects: Complete the table below for projects completed during the reporting year.
7 Permittees are required to perform an initial mandatory compliance inspection at all industrial facilities identified in Part VI.D.6.b no later than 2 years after the effective date of the permit. After the initial inspection, all facilities that have not filed a No Exposure Certification with the State Water Board are subject to a second mandatory compliance inspection. A minimum interval of 6 months between the first and second mandatory compliance inspection is required. 8 Approximately 3 to 4 years after the effective of the permit, each Permittee shall evaluate its inventory of industrial facilities and perform a second mandatory compliance inspection at a minimum of 25% of the facilities identified to have filed a No Exposure Certification. The purpose of this inspection is to verify the continuity of the non exposure status. 111
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Table 5a: Summary of New Development Projects Subject to Implementation of Post-Construction Controls Receiving Water
and/or

WMP/EWMP
Number of
Projects
Completed
Using On-Site
Retention9
Number of Projects
Completed Using
Alternative
Compliance
Measures10
Total Drainage Area of
Projects
[acres]
Total Storm Water Quality
Design Volume (SWQDv)
[acre-feet]
11 NA 0 NA NA NA

5.3h) Redevelopment Projects. Complete the table below for projects completed during the reporting year.

Table 5b: Summary of Redevelopment Projects Subject to Implementation of Post-Construction Controls Receiving Water
and/or

WMP/EWMP
Number of
Projects
Completed
Using On-Site
Retention
Number of Projects
Completed Using
Alternative
Compliance Measures
Total Drainage Area of
Projects
[acres]
Total Storm Water Quality
Design Volume (SWQDv)
[acre-feet]
Machado Lake 0 0
LA Harbor 0 0

5.3i) Planning and Land Development Efforts beyond Permit Requirements. If applicable, describe Planning and Land Development activities that went above and beyond the permit requirements (e.g., stricter LID ordinance, small-site LID).

By design, the City is a model of low-impact development utilizing nature-based solutions for management of stormwater. A substantial area of land in Rolling Hills is constrained from development due to steep hillsides and canyons; the use of these areas as wildlife habitats and native vegetation is emphasized. Rolling Hills’ zoning code further promotes the preservation and appreciation of open space by requiring easements for equestrian/ hiking trails on all lots. There are approximately 30 miles of unpaved equestrian/hiking trails throughout the City. Roads within the City have many green street features. They are designed as narrow, two-lane undivided winding roads 20 to 25 feet wide with rolling to steep grades lined with significant naturalized landscaping. There are no sidewalks or curband-gutter systems, and roads are not designed to be stormwater conveyance systems.

The City’s Zoning Ordinance contains strict standards for development ratios on each property. Only 40% of the net area of a lot may be disturbed for construction, and the remaining area of the lot must remain in its natural state. Only 35% of the net lot area may be developed with impervious surfaces, including structures, patios and other paved areas.

Driveways may not cover more than 20% of the area of the yard in which they are located.

Uncovered motor courts/parking pads may not cover more than 10% of the yard in which they are located. Horse stable access-ways may not be entirely paved and use of 100% gravel or decomposed granite is encouraged. The City has developed a guide for 9 “Number of Projects Completed” should only include projects that are completed and signed off by the Permittee during the reporting year. In progress projects that have been issued a permit, but are not completed should not be included. 10 “Alternative Compliance Measures” refer to the mitigation options listed in Part VI.D.7 of the permit. These options include: on-site biofiltration, offsite infiltration, groundwater replenishment projects, offsite retrofits of existing developments, and areas covered by a regional storm water mitigation program.
11 “Total Storm Water Quality Design Volume (SWQDv)” should also include the SWQDv which would have been achieved on-site for projects completed using alternative compliance measures. 112
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construction of stables on residential properties which includes consideration of proximity to blue line streams and natural drainage courses so as not to negatively affect stormwater quality in the siting of stables, horse wash stations, and manure storage. Tennis and sports courts are encouraged to have pervious surfaces as well. Stormwater run-off that is not contained on properties is conveyed through the City via natural, soft bottom drainage courses/canyons, providing ample opportunity for runoff to infiltrate. Installation of cisterns and biofiltration devices are encouraged on projects even when they are not required.

5.3j) Summary of New and Redevelopment Projects using Alternative Compliance Measures:

Complete the table below for projects completed during the reporting year.

Table 5c: Summary of Alternative Compliance Measures for Development/Redevelopment Projects (where onsite retention of the SWQDv is infeasible)
Category12
Number of
Projects
Completed
Utilizing
Alternative
Compliance
Method
Area Addressed
by Projects
[acres]
Total
Design
Retention
Volume of
Projects13
[acre-feet]
Total Design
Biofiltration
Volume of
Projects14
[acre-feet]
Total SWQDv
Which Would
Have Been
Achieved by
Retaining
SWQDv on-site
[acre-feet]
Onsite Biofiltration 0
Offsite Infiltration 0
Ground Water
Replenishment
Projects
0 Offsite Project –
Retrofit Existing
Development
0 Regional Storm Water
Mitigation Program15 0
TOTAL 0

5.3k) Alternative Compliance Measures – Regional Storm Water Mitigation Program [VI.D.7.c.vi]:

If applicable, complete the table below.

Table 5d: Alternative Compliance Measures – Regional Storm Water Mitigation Program 12 Alternative Compliance Measures refer only to the alternative measures used to comply with Planning and Land Development Program requirements as described in Part VI.D.7.c.iii.(1)-(7) 13 Design Retention Volume should correspond to the sum of the mitigation volume (Mv) and the volume of stormwater runoff reliably retained on-site (Rv) as noted in Equation 2 of Part VI.D.7.c.iii.(2).(c) and Part VI.D.7.c.iii.(3).(c) of the permit. 14 Design Biofiltration Volume should correspond to the biofiltration volume (Bv) noted in Equation 1 of Part VI.D.7.c.iii.(1).(a) of the permit.
15 “Regional Storm Water Mitigation Program” is only applicable where the Permittee (or Permittee Group) has received approval of such a program from the Regional Water Board. If a Permittee intends to use regional projects in an approved WMP or EWMP as the basis of a Regional Storm Water Mitigation Program, the Permittee must still receive approval of the program from the Regional Water Board.
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Mitigation Program
Receiving
Water and/or

WMP/EWMP
Date Program
Approved by
Regional Water
Board
Area Addressed by
Mitigation Program
[acres]
Cumulative Number of
New and
Redevelopment
Projects Addressed by
Project since Program
Approval

NONE NA NA NA NA

5.3l) Alternative Compliance Measures – Pending Offsite Projects16 [VI.D.7.c.iii.(5).(f)]: If applicable, complete the table below.

Table 5e: Alternative Compliance Measures – Offsite Projects Pending Offsite
Project Location
General
Design
Concept
Volume of Water
Expected to be Retained
[acre-feet]
Total
Estimated
Budget
Total Project
Funds Raised
to Date

NONE NA NA NA NA NA

5.3m) Control Measures for Projects Greater than 50 Acres [Attachment E – XVIII.A.6.e]: If applicable, provide a detailed description of control measures to be applied to new development or redevelopment projects disturbing more than 50 acres.

Not Applicable

5.3n) Enforcement Actions: Describe the number and nature of any enforcement actions taken related to the planning and land development program.

No such enforcement actions were necessary during the reporting year.

5.3o) Additional Information. If desired, provide additional information regarding implementation of the Planning and Land Development Program.

The City is a model of low-impact development by design. There is no industrial or commercial land use within the City. The City is developed with only single-family, singlestory ranch style homes. Minimum lot size is 1 acre; the average lot size is 2.7 acres. There is no public infrastructure and no City-owned or maintained storm drains, roads, sewers, sidewalks or curb-and-gutter. Stormwater run-off that is not contained on properties is conveyed through the City via natural, heavily vegetated, soft bottom drainage courses/canyons, providing ample opportunity for runoff to infiltrate. Accordingly, few parcels are connected directly to an improved MS4 (there are some structural improvements to manage energy dissipation and protect slopes). Residential projects that do not trigger the numeric retention requirements of low-impact development are required to implement measures that pertain to single-family hillside homes consistent with the MS4 Permit including conserving natural areas, protecting slopes and channels, and diverting 16 “Offsite projects” refers only to offsite projects being used as an alternative compliance measure for development/redevelopment project applicants that have demonstrated technical infeasibility for on-site retention of the SWQDv. This does not include on-site biofiltration, however it does include off-site biofiltration projects. 114
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roof runoff and surface flows to vegetated areas before discharge unless the diversion would result in slope instability.

All roads within the City are private, semi-rural in layout and are not equipped with curband-gutter so are not part of the MS4. As a consequence, green street BMP projects that would retain or treat stormwater are not feasible within the City. However, it is noteworthy that all the roads within the City were originally designed and continue to be maintained by the community association with features applicable to green street design such as: narrow widths and soft shoulders without paved sidewalks which minimizes impervious surface area, no extra paved width is provided for on-street parking, natural drainage courses and riparian areas have been preserved, and pedestrian movement through the City is accommodated via a pervious trail network.

5.4 Development Construction Program [VI.D.8]
Complete the following items regarding the Development Construction Program.

5.4a) Answer the following questions regarding your Development Construction Program:

Yes No
For construction sites 1 acre or greater, did you use an electronic system to inventory grading permits, encroachment permits, demolition permits, building permits, or construction permits (and any other municipal authorization to move soil and/ or construct or destruct that involves land disturbance) that you issued?
☒ ☐
For construction sites 1 acre or greater, did you use procedures to review and approve an ESCP (or a SWPPP prepared in accordance with the requirements of the Construction General Permit) that contains appropriate site-specific construction site BMPs that meet the minimum requirements of a Permittee’s erosion and sediment control ordinance?
☒ ☐
For construction sites 1 acre or greater, did you track the date that you approved the Erosion and Sediment Control Plans (ESCP) or CGP SWPPPs for new sites permitted and sites completed? ☒ ☐ For construction sites less than 1 acre, did you require the implementation of an effective combination of erosion and sediment control BMPs from Table 12 of the LA County MS4 Permit to prevent erosion and sediment loss, and the discharge of construction wastes through the use of the Permittee’s erosion and sediment control ordinance or building permit?
☒ ☐
Did you ensure that all staff whose primary job duties are related to implementing the construction stormwater program is adequately trained? [VI.D.8.I] ☒ ☐

5.4b) Permits and Inspections: Complete the table below. Only report numbers for sites 1 acre or greater in area.

Table 5f. Construction Site Inspections for Construction Sites ≥ 1 Acre How many building/grading permits were issued to construction sites during the reporting year? 0 How many Erosion and Sediment Control Plans (ESCPs) did you approve during the reporting year? 0 How many inspections of construction sites were conducted during the reporting year? 0 How many final landscaping/site stabilization inspections (to ensure that all graded areas have reached final stabilization and that all trash, debris, and construction materials, and temporary erosion and sediment BMPs are removed) were conducted during the reporting year? 0 115
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5.4c) Enforcement Actions: Describe the number and nature of any enforcement actions taken related to the development construction program.

No such enforcement actions were taken during the reporting year.

5.4d) Additional Information. If desired, provide additional information regarding implementation of the Development Construction Program.

The City’s code enforcement officer provides additional outreach and oversight of construction sites beyond that provided by contract Building & Safety inspectors.

For any project involving a grading or excavation permit regardless of size, a preconstruction meeting is held between City staff, RHCA staff, the building inspector, the property owner and the contractor and subcontractor to discuss construction BMP requirements and ensure that responsibility for implementing the BMPs is clear. During this meeting, the Small Site Construction brochure, available in English and Spanish, is provided to contractors of sites under one (1) acre to inform them of the required minimum BMPs.

Extra protection during construction is required for projects adjacent to environmentally sensitive areas and, in some cases, a biologist monitors the project and adjacent environmentally sensitive area during construction to ensure that proper protections are maintained.

5.5 Public Agency Activities Program [VI.D.9]
Complete the following items regarding the Public Agency Activities Program.

5.5a) Answer the following questions regarding the Public Agency Activities Program:

Yes No
Did you maintain an updated inventory of all Permittee-owned or operated (i.e., public) facilities within your jurisdiction that are potential sources of stormwater pollution? ☒ ☐ Did you develop an inventory of retrofitting opportunities that meets the requirements of Part VI.D.9.d. of the LA MS4 Permit? ☒ ☐
Were all Permittee-owned parking lots exposed to stormwater cleaned at least once per month? ☒ ☐ Did you ensure effective source control BMPs for the activities listed in Table 18 of the Permit were implemented at Permittee-owned or operated facilities?
☒ ☐
Did you ensure employees in targeted positions (whose interactions, jobs, and activities affect stormwater quality) were trained on the requirements of the overall stormwater management program, and contractors performing privatized/contracted municipal services were appropriately trained ☒ ☐

5.5b) Street Sweeping: Complete the table below.
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Table 5g. Summary of Street Sweeping Activities
Total
Miles of
Street17
Total
Curb
Miles of
Street
Frequency of
Street
Sweeping
Additional Notes
Priority A
(greater than
once per month)
NA NA NA All roads within the City are private so the
City is not responsible for their
maintenance. Furthermore, private roads
within the City are not equipped with curband-gutter and so are not considered part of the MS4. City Hall Complex parking lot is
swept once per week by the City’s
landscape contractor.

Priority B (once
per month) NA NA NA
Priority C (as
needed, once
per year
minimum)

NA NA NA

5.6 Illicit Connections and Illicit Discharges Elimination Program [VI.D.10] Complete the following items regarding the Illicit Connections and Illicit Discharges Elimination Program.

5.6a) IC/ID Investigations: Complete the following table18 Table 5h. IC/ID Investigations
Number of Reported
Illicit Discharges or
Connections
Number of
Investigations
Number
Eliminated
Number Permitted or
Documented
Illicit Discharges 0 0 NA NA
Illicit Connections NA NA NA NA

5.6b) Enforcement Actions: Describe the number and nature of any enforcement actions taken related to the illicit connections and illicit discharges elimination program.

None taken during current reporting year.

5.6c) Answer the following questions regarding Public Hotline and Training [VI.D.10.d and VI.D.10.f]
Yes No
Did you maintain or provide access to a hotline to enable the public to report illicit discharges/connections? ☒ ☐
Did you continue to implement a training program regarding the identification of IC/IDs for all municipal field staff, who, as part of their normal job responsibilities (e.g., street sweeping, storm drain maintenance, collection system maintenance, road maintenance), may come into contact with or otherwise observe an illicit discharge or illicit connection to the MS4? ☒ ☐
17 Permittee may report the length of street swept in “total miles of street” and/or “total curb miles,” depending on availability. 18 Illicit discharges and connections detected through other inspection programs should be included. 117
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5.6d) Additional Information. If desired, provide additional information regarding implementation of the Illicit Connections and Illicit Discharges Elimination Program.

The City’s Illicit Discharge Elimination Program (IDE Program) is focused on elimination of illicit discharges into the City’s natural drainage courses. 118
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Quick-Reference Handout for NSW Discharges
119
1 Quick Reference Handout*
Non-Stormwater Discharges under LA MS4 Permit1
All non-stormwater discharges are prohibited from the municipal separate storm sewer system (MS4) except for those discharges listed below as specified in the LA MS4 Permit.

Authorized Non-Stormwater Discharges
The following authorized non-stormwater discharges are allowed if they are either:
• Separately regulated by an individual or general NPDES permit • Temporary and authorized by USEPA under CERCLA 104(a) and 104(b), typically associated with authorized groundwater remediation actions • Emergency firefighting activities necessary for the protection of life or property • Natural flows including: natural springs; flows from riparian habitats and wetlands; diverted stream flows authorized by the State or Regional Water Board; uncontaminated groundwater infiltration; and rising ground waters where ground water seepage is not otherwise covered by a NPDES permit • Conditionally exempt, as explained below
Conditional Exemptions from Non-Stormwater Discharge Prohibition The following categories of non-storm water discharges are exempt if they comply with the terms listed below, including the implementation of Permit-specified Best Management Practices (BMPs), and are not a source of pollutants:
• Dewatering of lakes
• Landscape irrigation
• Dechlorinated/debrominated swimming pool/spa discharges • Dewatering of decorative fountains
• Non-commercial car washing by residents or non-profit organizations

1 California Regional Water Quality Control Board—Los Angeles, Order No. R4-2012-0175, NPDES Permit No. CAS004001Waste Discharge Requirements for Municipal Separate Storm Sewer System (MS4) Discharges within the Coastal Watersheds of Los Angeles County, Except those Discharges Originating from the City of Long Beach MS4.
*This document has been prepared for general information and education by Geosyntec Consultants, Inc. (Geosyntec). Neither Geosyntec nor any person acting on its behalf makes any warranty or representation, express or implied, that any information disclosed in this document is applicable or appropriate for a specific activity, site or regulated agency or entity. Please refer to the relevant implementing municipal code and Order No. R4-2012-0175, Section III Discharge Prohibitions for purposes of enforcement and precise permit language.
120
2 • Street/sidewalk wash water using only high pressure, low volume potable water with no cleaning agents
• There are separate conditional exemptions for MS4s that discharge to an Area of Special Biological Significance (ASBS).

Terms for All Conditionally Exempt Non-Stormwater Discharges:
• Must ensure there are no potential sources of pollutants in the flow path of the of the non-stormwater discharges to prevent introduction of pollutants to the MS4 and receiving water.
• Discharges greater than 100,000 gallons require advance notification, monitoring, and record keeping.
• BMPs for the non-essential categories can be found in Table 8 of MS4 Permit (copied below).
121
3 Table 8. Required Conditions for Conditionally Exempt Non-Storm Water Discharges Applicable to Rolling Hills Discharge
Category
General Conditions
Under Which
Discharge Through
the MS4 is Allowed
Conditions/BMPs that are Required to be Implemented Prior to Discharge Through the MS4 All Discharge
Categories
See discharge-specific
conditions below.

Ensure conditionally exempt non-storm water discharges avoid potential sources of pollutants in the flow path to prevent introduction of pollutants to the MS4 and receiving water.

Whenever there is a discharge of 100,000 gallons or more into the MS4, Permittees shall require advance notification by the discharger to the potentially affected MS4 Permittees, including at a minimum the LACFCD, if applicable, and the Permittee with jurisdiction over the land area from which the discharge originates.

Landscape
irrigation using
potable water
Discharge allowed if
runoff due to potable
landscape irrigation is
minimized through the
implementation of an
ordinance specifying
water efficient
landscaping standards,
as well as an outreach
and education program
focusing on water
conservation and
landscape water use
efficiency.

Implement BMPs to minimize runoff and prevent introduction of pollutants to the MS4 and receiving water.

Implement water conservation programs to minimize discharge by using less water.

Non-commercial
car washing by
residents or by
non-profit
organizations
Discharges allowed
after implementation of
specified BMPs.

Implement BMPs and ensure discharge avoids potential sources of pollutants in the flow path to prevent introduction of pollutants prior to discharge to the MS4 and receiving water.

Minimize the amount of water used bv employing water conservation practices such as turning off nozzles or kinking the hose when not spraying a car, and using a low volume pressure washer.

Encourage use of biodegradable, phosphate free detergents and non-toxic cleaning products.

Where possible, wash cars on a permeable surface where wash water can percolate into the ground (e.g. gravel or grassy areas).

Empty buckets of soapy or rinse water into the sanitary sewer system (e.g., sinks or toilets). 122
4 Discharge
Category
General Conditions
Under Which
Discharge Through
the MS4 is Allowed
Conditions/BMPs that are Required to be Implemented Prior to Discharge Through the MS4 Dechlorinated/
debrominated
swimming pool/spa
discharges
AND
Dewatering of
decorative
fountains
Discharges allowed
after implementation of
specified BMPs.

Water containing
copper-based
algaecides is not
allowed to be
discharged to the MS4.

Discharges of cleaning
waste water and filter
backwash for pools
allowed only if
authorized by a
separate NPDES
permit.

Fountain water
containing dyes may
not be discharged to
the MS4
Implement BMPs and ensure discharge avoids potential sources of pollutants in the flow path to prevent introduction of pollutants prior to discharge to the MS4 and receiving water.

Water must be dechlorinated or debrominated using holding time, aeration, and/or sodium thiosulfate. Chlorine residual in the discharge shall not exceed 0.1 mg/L. Discharges are to be pH adjusted, if necessary and be within the range of 6.5 and 8.5 standard units.

Water shall not contain any detergents, washes, or algaecides, or any other chemicals including salts from pools commonly referred to as "salt water pools" in excess of applicable water quality objectives.

Discharges shall be volumetrically and velocity controlled to promote evaporation and/or infiltration.

Ensure procedures for advanced notification by the owner to the Permittee(s) at least 72 hours prior to planned discharge for discharges of 100,000 gallons or more. (For reference, a residential pool that is 800 square feet in area and 7 feet deep contains about 42,000 gallons.) For discharges of 100,000 gallons or more, immediately prior to discharge, the discharge pathway and the MS4 inlet to which the discharge is directed, shall be inspected and cleaned out.

Street/sidewalk
wash water
Discharges allowed
after implementation of
specified BMPs.

Sweeping should be used as an alternate BMP whenever possible and sweepings should be disposed of in the trash.

BMPs shall be in accordance with Regional Water Board Resolution No. 98-08 that requires:
1) removal of trash, debris, and free standing oil/grease spills/leaks (use absorbent material if necessary) from the area before washing and
2) use of high pressure, low volume spray washing using only potable water with no cleaning agents at an average usage of 0.006 gallons per square feet of sidewalk area.

In areas of unsanitary conditions whenever practicable, Permittees shall collect and divert street/sidewalk wash water to the sanitary sewer.
123
5 Conditionally Exempt Essential Non-Stormwater Discharges Two categories of non-storm water discharges are exempt if they comply with specific BMPs, are essential public services discharge activities, and are directly or indirectly required by statute or regulation:

1. Drinking water supplier distribution systems

2. Non-Emergency firefighting activities
Drinking water supplier distribution system releases include:
• drinking water system failures;
• pressure releases;
• system maintenance;
• distribution line testing;
• flushing and dewatering of pipes, reservoirs and vaults; • minor non-invasive well maintenance activities not involving chemical additions.

There are four categories of applicable BMPs for releases of potable water, potential low volume potable water, raw water, and groundwater from drinking water supplier distribution systems:

Administrative- These are operational practices that reduce potential pollutants at the source. These practices include conservation and reuse of water, training/education of workers, improved material storage and waste management practices, preparing procedures for unplanned releases, maintaining documentation, and planning, scheduling and developing operating procedures.

Erosion and sediment control- Need to slow the flow of water, protect bare earth surfaces, use piping to bypass sediment, and/or prevent water from reaching sediment by using berms or dikes.

Dechlorination- This is a treatment method that removes or replaces chlorine atoms in water after measuring/monitoring for chlorine residual.

This can be accomplished through use of dechlorination agents (ex. sodium sulfite, or ascorbic acid) or use of dechlorination equipment (ex. Dechlor mat or diffuser).
124
6 On-site storage or treatment- Analyze the water and choose an on-site storage or treatment option that will remove or treat the contaminants/constituents (ex. BOD reduction, VOC removal, pH adjustment).

Appropriate BMPs from the preceding categories must be implemented based on the type of release activity and the potential pollutants of concern associated with the type of release. Detailed BMPs can be found in AWWA (CA-NV Section) Guidelines for the Development of Your Best Management Practices (BMP) Manual for Drinking Water System Releases (2005), or an equivalent industry standard BMP manual.

Non-emergency firefighting activities include:
• Fire training activities which simulate emergency responses • Routine maintenance and testing activities necessary for the protection of life and property, specifically:
• Fire hydrant testing and maintenance
• Building fire suppression system maintenance and testing (e.g., sprinkler line flushing)
Discharges from fire vehicle washing are not considered essential and are not conditionally exempt.

Detailed BMPs can be found in CAL FIRE Water-Based Fire Protection Systems Discharge Best Management Practices Manual (September 2011) and Riverside County’s Best Management Practices Plan for Urban Runoff Management (May 2004). A summary of the BMPs are listed below in the following two tables.
125
7 BMP Summary for Non-Emergency Firefighting Activity Discharges (CAL FIRE Manual)
Category BMP Description Reference
Safety
Considerations
for Discharges
Associated with
Fire Protection
Systems
Ensure water will flow into nearby drain inlets as intended CAL FIRE Manual, Part 4
Ensure drain inlets are open and free of debris
Ensure flowing water will not cause flooding or damage to adjacent properties
Ensure water flow trajectory will not impact nearby
vehicles, equipment, or pedestrian traffic
Ensure water flow does not create slick or unsafe
conditions
Discharges
Associated with
Fire Protection
Systems
Conduct flows for the shortest duration possible CAL FIRE Manual, Part

6.1 Remove all debris from the curb and gutter before
initiating flushing
CAL FIRE Manual, Part

6.2 If chlorine residual is a concern, use dechlorination CAL FIRE Manual, Part

6.3 Whenever possible and when safe to do so without causing damage or erosion, contain flows onsite by directing the water to landscaped or green areas
CAL FIRE Manual, Part

6.4 When practicable and with the permission of the local sewer agency, divert sprinkler system discharge to the
sewer
CAL FIRE Manual, Part

6.5 Make required visibility/chemical assessments prior to any discharge from a vault, substructure, or building fire
system
CAL FIRE Manual, Part

6.6 When dechlorinating, use appropriate methods/equipment as prescribed in this Section
CAL FIRE Manual, Part

6.7 Use sediment control in accordance with the CAL FIRE Manual as necessary. A list of equipment is provided
therein
CAL FIRE Manual, Part

6.8 Determine the flow path of the discharge from the point of release to the inlet of a storm drain
CAL FIRE Manual, Part

6.9 Use appropriate drain inlet protection CAL FIRE Manual, Part

6.10 Discharges
Associated with
Fire Protection
Systems
(Discharges
Into Sensitive
Areas)
Ensure road surfaces are free of debris that may flow into the drain inlets or nearby sensitive areas
CAL FIRE Manual, Part 5
Ensure curbs or ditches are adequate to handle the flow without creating a buildup of silt which cannot be
contained and removed
Ensure water flows will be free of potential contaminants such as oil, contaminated soils, etc.

Ensure water does not cause erosion
126
8 BMP Summary for Non-Emergency Firefighting Activity Discharges (Riverside County Manual)
Discharges
Associated with
Fire Training
Activities
Where feasible, live and simulated fire training should be conducted in facilities where runoff controls protecting the storm drain system have been engineered and built into the facility
Riverside County Manual,

When conducting Maximum Capability Training exercises,
potable water sources may be used when runoff cannot be contained
Direct water flows to landscaped or green belt areas
whenever possible
Survey the area prior to the training exercise to ensure that debris will not enter the storm drain system
When practicable, divert flows to the sewer with the
permission of the local sewer agency
Use fog streams or straight streams for short durations when practicable
Use lower gpm nozzle settings
Prevent discharge of foam or other additives to the storm drain system. If necessary, block inlets with plastic
sheeting and sandbags or temporary berms
Discharges
Associated with
PostEmergency
Firefighting
Activities
Rehab and maintenance of response equipment must be
performed in a manner that prevents discharges to the
storm drain system whenever practicable Riverside County Manual,

maintenance of response equipment must be performed in
a manner that minimizes discharges to the storm drain
system
In addition to prescribing BMPs for non-emergency firefighting activities, the BMP manuals also include recordkeeping requirements:

1. Records must be kept for all discharges greater than 1,500 gallons

2. Include the information listed in Part 2, Section 3 of the CAL FIRE Manual

3. Appendix C of the CAL FIRE Manual provides a form that should be utilized for recordkeeping purposes.

4. Records should be kept onsite for a minimum of five years. 127
Agenda Item No.: 7.H
Mtg. Date: 11/14/2022
TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: VANESSA HEVENER, SENIOR MANAGEMENT ANALYST
THRU: ELAINE JENG P.E., CITY MANAGER
SUBJECT: CONSIDER AND APPROVE THE THIRD AMENDMENT TO
PROFESSIONAL SERVICES AGREEMENT WITH NV5 FOR THE
SEPULVEDA CANYON STORMWATER MONITORING FOR 2022-23,
2023-24, 2024-25 IN THE AMOUNT OF $39,445
DATE: November 14, 2022
BACKGROUND:

The City of Rolling Hills is required to comply with the Los Angeles County Municipal Separate Storm Sewer System (MS4) Permit. A component of the MS4 subjects the City to meet the Total Maximum Daily Load (TMDL) in the Machado Lake for Nutrient.

Stormwater runoff from the City discharges to three bodies of water: Santa Monica Bay, Los Angeles Harbor and Machado Lake. The MS4 requires municipalities to conduct outfall monitoring to characterize the water quality as the runoff leaves the City to each of the three bodies of water.

The City of Rolling Hills joined the Palos Verdes Peninsula Watershed Management Group and prepared a Coordinated Integrated Monitoring Plan (CIMP) which was approved by the Los Angeles Regional Board in January 2016. The plan called for a joint outfall, located near Rolling Hills Estates City Hall, to characterize the discharge from the Peninsula to Machado Lake. This location was selected because it captured runoff from all the cities within the group.

Monitoring data showed that the water quality standards exceeded the allowable nutrients thresholds. To come into compliance with the water quality objectives, the Peninsula Watershed Management Group contributed funds to study an infiltration project at the Torrance Airport. The infiltration project would eliminate a specified volume to demonstrate that the runoff from the Peninsula is not impairing the waters of Machado Lake.

In April 2020, Staff presented an alternative compliance strategy that would require the City to look at all the outfalls to Machado Lake that retain the specified volume to demonstrate that the City is not discharging to Machado Lake and therefore the City would not have to contribute to the Torrance Airport project. After a thorough review by Staff and McGowan Consulting, it was determined that Sepulveda Canyon meets the criteria of having potential dry 128
weather and wet weather flows to Machado Lake.

In September 2020, the City awarded a Professional Services Agreement with NV5 in the amount of $44,556.40 to conduct a new sampling outfall location in the Sepulveda Canyon for one season (2020-21). In May 2021, the City amended the original agreement to continue stormwater monitoring services in the Sepulveda Canyon using unexpended funds due to lack of both dry weather and wet weather flows as there were no water quality events completed during the 2020-2021 monitoring year. Subsequently in August 2021, a second amendment was approved to include a hydrologic analysis of the retentive capacity of the Sepulveda Canyon relative to the 85%, 24-hour runoff event and extrapolate that analysis to the other canyons within the City in the amount of $27,600.

In January 2022, the City submitted an Addendum to the Palos Verdes Peninsula Enhanced Watershed Management Program (EWMP Addendum) to include the City as an 85%, 24-hour runoff retention area. In June 2022, the City submitted the Technical Memorandum outlining the monitoring program conducted at the Sepulveda Canyon during two wet weather seasons from October 26, 2021 through April 30, 2022. The Technical Memorandum confirmed that Sepulveda Canyon effectively retained all storm events during the study period less than or equal to the 85th percentile, 24-hour storm event.

DISCUSSION:

On October 19, 2022, the Los Angeles Regional Board approved the Palos Verdes Peninsula EWMP with conditions. Included in the Conditional Approval letter included with this report is the recognition that the City of Rolling Hills retains the runoff volume from the 85th percentile, 24-hour storm as the City has previously indicated.

In order to maintain the City’s approval as an 85%, 24-hour runoff retention area, the City is required to continue to monitor the flow in Sepulveda Canyon. The third Amendment allows NV5 to conduct the necessary monitoring program on behalf of the City for the next three years: 2022-23, 2023-24, 2024-25 in the amount of $39,445. In addition, a technical memorandum will be prepared summarizing the flow monitoring results.

FISCAL IMPACT:

There is sufficient funds in Fund 30 (Measure W, Safe Clean Water) to conduct flow monitoring at Sepulveda Canyon in the amount of $39,455 for three monitoring years.

RECOMMENDATION:

Approve third Amendment to Professional Services Agreement with NV5 for the Sepulveda Canyon Stormwater monitoring services for 2022-23, 2023-24, 2024-25 in the amount of $39,445
ATTACHMENTS:

CL_AGN_221020_CC_PVP_WMP_ConditionalApproval.pdf
CL_AGN_CC_221114_3rd Amendment NV5(FINAL).pdf
129
Los Angeles Regional Water Quality Control Board
October 19, 2022 Via Email Only
Permittees of the Palos Verdes Peninsula Watershed Management Group1

APPROVAL, WITH CONDITIONS, OF THE PALOS VERDES PENINSULA

WATERSHED MANAGEMENT PROGRAM (WMP) PURSUANT TO THE REGIONAL MUNICIPAL SEPARATE STORM SEWER SYSTEM (MS4) WASTE DISCHARGE

REQUIREMENTS AND NATIONAL POLLUTANT DISCHARGE ELIMINATION

SYSTEM (NPDES) PERMIT FOR THE LOS ANGELES REGION (NPDES PERMIT NO. CAS004004; ORDER NO. R4-2021-0105)
Dear Palos Verdes Peninsula Watershed Management Group:

This letter (1) conditionally approves the Watershed Management Program (WMP) submitted by the Palos Verdes Peninsula Watershed Management Group (Group) subject to additional revisions of the WMP, (2) reviews compliance metrics for waterbody pollutant combinations (WBPCs) and (3) specifies additional requirements including requirements for an updated adaptive management process. 1) Review of Watershed Management Program
The Regional MS4 Permit (Order No. R4-2021-0105) authorizes discharges from the MS4 operated by 99 municipal Permittees within the coastal watersheds of Los Angeles and Ventura Counties (hereafter, Regional MS4 Permit or Order). The Regional MS4 Permit became effective on September 11, 2021. The Regional MS4 Permit allows the Permittee(s) the option to use a Watershed Management Program (WMP) to implement many of the permit's requirements through customized strategies, control measures, and best management practices (BMPs).

Pursuant to the State Water Resources Control Board (State Water Board) WQ Order No. 2020-0038 and the Los Angeles County MS4 Permit Order No. R4-2012-0175, the Group submitted to the Los Angeles Regional Water Quality Control Board (Los Angeles Water Board or Board) a revised draft WMP dated June 30, 2021. Because the Regional MS4 Permit carries over many of the provisions from Order No. R4-2012-0175 and incorporates the required elements of Order No. 2020-0038, and because it is the 1 Permittees of Palos Verdes Peninsula Watershed Management Group include Los Angeles County, Los Angeles County Flood Control District and the Cities of Palos Verdes Estates, Ranch Palos Verdes, Rolling Hills Estates, and Rolling Hills.
130
Palos Verdes Peninsula WMG - 2 - October 19, 2022
currently effective permit, the Los Angeles Water Board reviewed the WMP per Part IX of the Regional MS4 Permit.

Public Review and Comment
On December 21, 2021, the Los Angeles Water Board provided public notice and a 76- day period to allow for public review and comment on the WMPs submitted by June 30, 2021. The Board received one joint comment letter from Heal the Bay, the Los Angeles Waterkeeper, and the Natural Resources Defense Council, which generally applied to all WMPs. These comments were considered during staff’s review of the WMPs.

Conditions of Approval
Pursuant to Part IX.G.3.a of the Order, the Watershed Management Program and Reasonable Assurance Analysis (RAA) are required to be consistent with the requirements of the Regional MS4 Permit. On March 24, 2022, an email was sent to the Peninsula WMG with preliminary questions and concerns regarding the Peninsula WMP. On April 6, 2022, a second email was sent to the Group that provided additional comments and questions. Subsequently, Los Angeles Water Board staff met with the Peninsula WMG on April 11, 2022, to discuss the required revisions to the WMP. The Los Angeles Water Board received the Group’s second revised WMP dated May 13, 2022. The Los Angeles Water Board hereby approves the Group’s WMP, under the condition that the WMP is revised to address the following requirements:

1. The Board recognizes that the City of Rolling Hills intends to retain the runoff volume from the 85th percentile, 24-hour storm; however, the drainage areas within the City of Rolling Hills should still be identified. In Figure 1-1 on page 1-3 and in Figure 3-1 on page 3-10, shade the City of Rolling Hills jurisdictional area to show the watershed management area(s) to which it drains and include the streams to be consistent with the other jurisdictions’ watershed areas on the map.

2. In Section 1.3.1 on page 1-4, in the fourth paragraph, update the reference to the current 303(d) list to the 2020-2022 303(d) list of impaired waterbodies approved on May 11, 2022.

3. Remove footnote 16 from Section 2.2, Dominguez Channel page 2-3. The Los Angeles Water Board notes that per the Amended Consent Decree entered in United States v. Montrose Chemical Corp., Case No. 90-3122 AAH (JRx), the Los Angeles Water Board released some local agencies from liability for natural resource damages and for specific response costs related to releases of DDT and other hazardous substances from the Montrose DDT Plant. This Amended Consent Decree does not apply to all toxic pollutants covered by the Dominguez Channel Toxics TMDL. Further, nothing in the Amended Consent Decree bars the State from requiring compliance with the Clean Water Act, including compliance with NPDES permits issued thereunder. According to Attachment J of the Regional MS4 Permit, the Dominguez Channel and Greater Los Angeles and Long Beach Harbor Waters Toxic Pollutants TMDL, including the water quality-based effluent limits (WQBELs) in Attachment P, Part II of the Order, apply to the Group. 131
Palos Verdes Peninsula WMG - 3 - October 19, 2022

4. In Section 2.3.1 on page 2-30, update the second paragraph and Table 2-16 to include the land uses for the City of Rolling Hills.

5. In Section 2.3.2 on page 2-48, in the first sentence of the second paragraph delete the word “limited.”

6. Update the Torrance Airport Stormwater Basin Project Phase II BMP volume on Table 3-20: Summary of Modeled Regional BMPs, and update the WMP to be consistent with the most current volume and project details (including related figures).

7. In Table 4-22 on pages 4-4 and 4-5, replace the values in the two Bacteria (E. coli) rows for Analysis Regions WD-1 and WD-Solano with “n/a”. Update the second sentence of footnote 1 to say, “For WD-1 and WD-Solano, bacteria was originally modeled using an incorrect receiving water limitation. Therefore, it is not included in the table, since the 85th percentile, 24-hour storm volume is selected”.

Make this footnote edit again in Appendix 4.1 RAA Table 11 and update the entire WMP to be consistent with the footnote (e.g., edit the first bullet point on page 4.2- 2).

8. Add a new table to Section 4.2 that compares the target load reduction summaries in Table 4-21 and Table 4-22, and the management volumes in Table 4-23, with the summary of BMP volumes for modeled regional BMPs in Table 3-20, as well as any modeled volumes for distributed BMPs, to show how the RAA-recommended projects will meet the target load reductions for each subwatershed and city.

9. In Section 9, Adaptive Management Process, update the reference in number 1 of the list to refer to the Regional MS4 Permit and any other outdated references to the 2012 LA County MS4 Permit.

10. Correct internal referencing of tables and figures throughout the WMP. In many places the text references to table or figure numbers do not match the actual table or figure number. Additionally, for clarity, we would suggest either simple sequential numbering throughout the document, or numbering within each section.

The document seems to employ a hybrid approach. For example, Table 3-1 is labeled Table 3-20 and follows Table 2-19, and Figure 2-1 is labeled Figure 2-2 and follows Figure 1-1. These are just a few examples.

The Board may rescind this approval if any of the conditions in this letter are not met to the satisfaction of the Board within the timeframe provided below. Pursuant to Part IX.G.4 of the Order, if the necessary revisions are not appropriately made, the Group shall be subject to all requirements in the Order except those requirements pertaining to Watershed Management Programs upon disapproval by the Los Angeles Water Board.

The Peninsula WMG shall submit a final WMP to the Los Angeles Water Board that satisfies all of the above conditions no later than December 19, 2022. The final WMP must be submitted electronically by uploading the files in a Folder with the name of the Group to the FTP site using the following credentials:

FTP site: https://ftp.waterboards.ca.gov
Username: RB4MS4-Upload
Password: RB4-bmBb3Z
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Palos Verdes Peninsula WMG - 4 - October 19, 2022
Pursuant to Parts IX.C.1 and IX.G.3.c of the Order, the Peninsula WMG shall implement their approved WMP immediately. The Group is subject to all applicable compliance schedules in Part IV.B and Attachments K through S of the Order.

Approval of the Group’s WMP, subject to the conditions above, reinstates the Group’s deemed compliance status, per the Board’s February 25, 2022 letter on the Group’s June 30, 2021 status of compliance demonstration, for the WBPCs identified in section 2.1.

To the extent allowed by law, it is not the intent of Board staff to take enforcement action resulting from the temporary loss of deemed compliance status for the WBPCs identified in section 2.1.2 below for the period of July 1, 2022 to the date of this conditional approval.
2) Compliance Determinations

2.1 Compliance Determination for WBPCs other than Trash

2.1.1 Compliance Metric: Pursuant to Part IX.B.7.h of the Order, the WMP is required to specify the expected volume capture, load reductions, or other compliance metric(s) at regular milestones, and the methods by which these reductions will be measured and demonstrated for each WBPC and supported via the RAA. Based on the information provided in the WMP, and pending revision of the WMP to address the conditions of this approval letter, the Board will determine deemed compliance with the Group’s WMP based on the following compliance metric(s) with the approved compliance schedule:
• The cities of Palos Verdes Estates, Rancho Palos Verdes, Rolling Hills Estates the County of Los Angeles (for the unincorporated areas within the Palos Verdes Peninsula WMP) and the Los Angeles County Flood Control District will comply with Table 4-23: Peninsula EWMP RAA Summary and Table 5-24: Structural TCM Implementation Schedule
These permittees must demonstrate compliance with final WQBELs and receiving water limitations through the direct demonstration of compliance options outlined in Part X.B.2.a of the Order or revise the WMP to include structural BMPs that retain all non-stormwater runoff and the volume of stormwater runoff from the 85th percentile 24-hour storm event.

Per Attachment P, Part IV.C.2, of the Order, the cities of Palos Verdes Estates, Rancho Palos Verdes, and Rolling Hills Estates did not receive approval to comply with alternative mass-based water quality-based effluent limitations for total nitrogen and total phosphorus allowed by the Machado Lake Nutrient TMDL.

Therefore, these Permittees shall comply with the final monthly average concentration-based water quality effluent limitations for total nitrogen and total phosphorus per Attachment P, Part IV.C.1.
133
Palos Verdes Peninsula WMG - 5 - October 19, 2022
The City of Rolling Hills will comply with the measures described in Section 3.5.2, 85th Percentile, 24-hour Runoff Retention Areas. The City shall continue to monitor flow in Sepulveda Canyon at the Middleridge Road crossing culvert to demonstrate that the 85th %, 24-hr storm event is retained.

2.1.2. WBPCs Eligible for Deemed Compliance Through Alternative Demonstration of Compliance: Based on the below criteria, the following WBPCs will receive deemed compliance up to the applicable final compliance deadline if the actions and schedules specified in the WMP are attained as outlined in Parts X.B.1.b and X.B.2.b of the Order and pending revision of the WMP to address the conditions of this approval letter:
• Wilmington Drain for E. coli indicator bacteria;
• Inner Los Angeles Harbor for copper, lead, zinc, total DDTs, total PAHs, and total PCBs; and
• Cabrillo Marina for copper, lead, zinc, total DDTs, total PAHs, and total PCBs. • In the City of Rolling Hills, only:
o Santa Monica Bay for total DDTs, total PCBs, arsenic, and mercury; o Santa Monica Bay Beaches for the indicator bacteria total coliform, fecal coliform and enterococcus, total DDTs, and total PCBs; and o Machado Lake for total nitrogen, total phosphorus, total DDTs, DDT (all congeners), DDE (all congeners), DDD (all congeners), total PCBs, total chlordane and dieldrin.

Any WBPCs that are not listed above are not eligible for deemed compliance for the following reasons: (a) for Category 1 WBPCs with interim deadlines, the WMP proposes watershed control measures for which there are no quantitative analysis that satisfy the RAA requirements, (b) the final TMDL deadline(s) have past and there is no approved Time Schedule Order (TSO) or retention of all non-stormwater runoff and the volume of stormwater runoff from the 85th percentile 24-hour storm event, (c) the WMP proposes implementing baseline Permit requirements only, and/or (d) the WMP does not propose implementing additional BMPs and proposes to demonstrate compliance though monitoring.

2.2 Compliance Determination for Trash WBPCs
Trash WBPCs are not eligible for deemed compliance under the WMP. For Trash WBPCs, compliance shall be determined as outlined in Part X.C of the Order. (3) Other Requirements
Adaptive Management
Pursuant to Part IX.E.1 of the Order, the Permittee(s) shall implement an adaptive management process for each approved WMP. An adaptive management process is a periodic, comprehensive program evaluation, including re-analysis of data and/or 134
Palos Verdes Peninsula WMG - 6 - October 19, 2022
modeling, and modification process to determine progress toward achieving WQBELs and receiving water limitations and to adapt the Watershed Management Program to become more effective at achieving WQBELs and receiving water limitations. Pursuant to Part IX.E.4 of the Order, Permittee(s) shall submit the results of the adaptive management process with the Permittees’ Report of Waste Discharge (ROWD) to the Los Angeles Water Board no later than March 15, 2026.

Per Part IX.E.3 of the Order, the adaptive management process fulfills the requirements in Part V.D of the Order to address continuing exceedances of receiving water limitations.

WMP Modifications
As indicated in Part IX.E.2 of the Order, based on the results of the adaptive management process, the Permittee(s) may propose WMP modifications necessary to improve the effectiveness of the WMP. The Permittee(s) shall clearly identify any WMP modification proposals in their submittal of the adaptive management results.

Additionally, per Part IX.C.2 of the Order, notwithstanding Part IX.E (Adaptive Management) of the Order, the Permittee(s) may propose WMP modifications at any time during the term of the Order, as necessary as a standalone request. As explained in Attachment H of the Order, the Permittee(s) cannot submit WMP modification requests as part of the Annual Report. The Permittee(s) shall provide separate written requests explaining the nature of the proposed modification and justification for consideration by the Los Angeles Water Board.

Receiving Water Limitations Compliance Report
Per Part IX.B.9.c.iv of the Order and Part XIV.C.4 in Attachment E of the Order, implementation of actions to address water quality priorities in a Watershed Management Program related to addressing exceedances of receiving water limitations in Part V (Receiving Water Limitations) of the Order which is not otherwise addressed by TMDLs in Part IV of the Order and Attachments K through S, fulfills the requirements in Part V.C of the Order to prepare a Receiving Water Limitations Compliance Report. 135
136

PROFESSIONAL SERVICES AGREEMENT

THIS THIRD AGREEMENT TO PROFESSIONAL SERVICES
AGREEMENT (“Third Amendment”) is made and entered into this 14th day of November, 2022 in City of Rolling Hills, County of Los Angeles, State of California, by and between the CITY OF ROLLING HILLS, a California municipal corporation (hereinafter the “CITY”), and ALTA ENVIRONMENTAL, L.P., a limited partnership, (d.b.a. NV5) (hereinafter the “CONSULTANT”).

1. RECITALS:

A. On September 12, 2020, the CITY entered into a Professional Services Agreement with CONSULTANT to conduct Canyon Monitoring for the 2020-2021 monitoring year to identify whether the City’s stormwater discharge is in compliance with stormwater water-quality based effluent limitations derived from the Total Maximum Daily Load waste load allocations (the “Agreement”).

B. On May 27, 2021, the CITY and CONSULTANT entered into a First Amendment to the Agreement to extend the term of the Agreement until June 30, 2022 and to use the unexpended amount from the 2020-2021 Wet and Dry Weather Flow Monitoring (approximately $29,000) (the “Unexpended Funds”) on the Wet and Dry Weather Flow Monitoring for the 2021-2022 monitoring year (“First Amendment”); and
C. On September 2, 2021, the CITY and CONSULTANT entered into a Second Amendment to expand the scope of work and increase the cost by $27,603.05 so that CONSULTNAT may provide (1) Sepulveda Canyon Hydrologic Modeling and Analysis; and (2) a Hydrologic Modeling Technical Memorandum.

D. CITY AND CONSULTANT now desire to amend the Agreement for a third time to continue to conduct Sepulveda Canyon Continuous Flow Monitoring for the 2022-23, 2023-24, and 2024-25 monitoring years and to increase the cost by a total of $39,445.00. This cost is inclusive of all three years of continued monitoring services for Sepulveda Canyon.

E. CONSULTANT is well qualified by reason of education and experience to perform such services.

F. CONSULTANT is willing to render such professional services.

Now, therefore, for and in consideration of the mutual covenants and conditions herein contained, CITY hereby engages CONSULTANT and CONSULTANT agrees to perform the services set forth in this Agreement.

1. SCOPE OF WORK
137
CONSULTANT shall perform all work necessary to complete in a manner satisfactory to CITY the services set forth in the scope of work attached hereto as Exhibit A and incorporated herein by reference. CONSULTANT shall provide deliverables pursuant to the schedule outlined in Exhibit A.

2. COST
CITY agrees to pay CONSULTANT for the services required by this Agreement on a Time and Materials basis as set forth in Exhibit A, subject to a do not exceed amount in the amount of $39,445. This fee includes all expenses, consisting of travel, attendance at meetings, and miscellaneous costs. It also includes any escalation or inflation factors anticipated. Any increase in Agreement amount or scope shall be by express written amendment approved by the CITY and CONSULTANT.

3. All terms and conditions of the Agreement not amended by the First Amendment, Second Amendment and this Third Amendment remain in full force and effect.

IN WITNESS WHEREOF, the parties hereto have executed this Agreement on the date and year first above written.

CITY OF ROLLING HILLS ALTA ENVIRONMENTAL, LP
CITY MANAGER: SENIOR PROJECT MANAGER
__________________________ __________________________

ELAINE JENG GARTH ENGELHORN

DATE:___________ DATE:_____________
ATTEST:
__________________________

CITY CLERK
APPROVED AS TO FORM:
138
__________________________

MICHAEL JENKINS

CITY ATTORNEY

EXHIBIT A

SCOPE OF WORK
139
NV5
3777 Long Beach Boulevard Annex Building Long Beach CA 90807 United States of America T (562) 495 5777 F (562) 495 5877 Toll-free (800) 777-0605 | NV5.com November 2, 2022
City of Rolling Hills
2 Portuguese Bend Road
Rolling Hills, CA 90274
Attn: Vanessa Hevener, Senior Management Analyst
RE: Scope of Work and Budget for Sepulveda Canyon Continuous Flow Monitoring Dear Ms. Hevener,
NV5 is pleased to present the City of Rolling Hills (City) with this scope of work and cost estimate to conduct Sepulveda Canyon Continuous Flow Monitoring for the 2022-2023, 2023-2024, and 2024-2025 monitoring years. NV5 is 100% committed to providing the City with exceptional, high quality monitoring and data processing support. We are eager to support the City with sound technical experience, dedicated customer service, and strategic recommendations that protect your operational interests, your stakeholder’s concerns, and the environment. Please do not hesitate to call me with any questions.

For and on behalf of NV5,
Garth Engelhorn, CPSWQ, QISP/ToR
Water Resources Senior Project Manager
3777 Long Beach Boulevard Annex Building
Long Beach, CA 90807
Phone Number:760-644-0167
Email: [email protected]
140
2 1 EXHIBIT A: SCOPE OF WORK
NV5 will conduct the following tasks to implement Sepulveda Canyon Continuous Flow Monitoring during the 2022-2023, 2023-2024, and 2024-2025 monitoring years. The objective of the continuous flow monitoring is to verify that Sepulveda Canyon effectively retains the 85th percentile, 24-hour storm event by collecting continuous flow measurements near the base of Sepulveda Canyon over the course of three years.

Task 1: Project Management and Coordination
NV5 will routinely coordinate with the City to provide updates and discuss any potential modifications necessary for the continuous flow monitoring activities. This task includes planning and implementation of the project, relevant meeting attendance, coordination with the City, budget management, and monthly invoicing/reporting.

Task 2: 2022-2023 Flow Monitoring (8 months)
NV5’s proposed flow equipment includes an ultra-sonic sensor and data logger with near real-time access through NV5’s MS4 Flow System web portal. NV5 will install one flow monitoring unit and maintain the equipment in working order for the eight-month deployment period from approximately November 2022 through the end of June 2023. The equipment will remain installed for the monitoring planned in Task 2.

Task 3: 2023-2024 Flow Monitoring (12 months)
NV5’s proposed flow equipment includes an ultra-sonic sensor and data logger with near real-time access through NV5’s MS4 Flow System web portal. NV5 will maintain the equipment in working order for the twelve-month deployment period from July 2023 through the end of June 2024. The equipment will remain installed for the monitoring planned in Task 3.

Task 4: 2023-2024 Flow Monitoring (12 months)
NV5’s proposed flow equipment includes an ultra-sonic sensor and data logger with near real-time access through NV5’s MS4 Flow System web portal. NV5 will maintain the equipment in working order for the twelve-month deployment period from July 2024 through the end of June 2025. The equipment will be removed following the completion of continuous flow monitoring in June 2025.

Flow Monitoring Methodology for Tasks 2-4
The continuous flow monitoring equipment will be located in Sepulveda Canyon at the road crossing of Middleridge Road (33.773522, -118.348538), which is an accessible location near the bottom of the canyon suitable for flow monitoring. Sepulveda Canyon is located on the east side of the Palos Verdes Peninsula, south of N. Palos Verdes Drive, and about 0.5 miles east of Crenshaw Boulevard. During the installation, the storm drain dimensions and slope will be measured, and the flow equipment will be programmed to continuously log flow measurements at 5-minute intervals for the duration of the deployment period. Flow rates will be measured in accordance with the NPDES Storm Water Sampling Guidance Document (EPA833-B-92-001). The flow monitoring equipment will be maintained throughout the deployment to ensure functionality (site visits approximately every other month). NV5 will review the continuous flow data remotely to prevent data gaps through routine data evaluation, automated equipment alerts, and quick responses to resolve any issues.

Calibration of all monitoring equipment will be conducted immediately prior to deployment and periodic maintenance and calibration will be scheduled based site evaluations of the real-time data. All calibrations will be conducted in accordance with the manufacturer’s specifications and equipment will be calibrated on- site and field verified for accuracy with a level measurement tape. NV5 will conduct instantaneous flow measurements as needed during to ensure accurate flow calculations are kept updated and reflect any changes to the site conditions. A maintenance log form will be kept on file to detail the dates of instrument inspection, battery replacement, and any problems noted with instruments. Upon completion of the deployment period, NV5 will remove all flow equipment.
141
3 NV5 will conduct routine quality assurance/quality control (QA/QC) of the flow data and calculations. NV5 will access the continuous flow data remotely to ensure the equipment is continuously monitoring, recording, and presenting accurate flow data on the web portal. Upon request, NV5 will provide flow history file deliverables that include summary of flow statistics, daily/weekly flow statistics tables, site photos, and general site observations.

NV5 will provide the project staff with access to NV5 ’s MS4 Flow System web portal so that the site’s status can be reviewed in real-time from any web enabled device. The web portal generates site-specific reports to monitor flows on a daily evaluation and broken into weekly, and monthly totals. The project staff will have access to weekly data summaries including flow statistics and flow hydrographs in both Excel and Adobe Acrobat format.

Task 5: Technical Memorandum
NV5 will prepare a brief technical memorandum summarizing the results of the Sepulveda Canyon Continuous Flow Monitoring. The results of the hydrologic assessment for the Sepulveda Canyon will include an analysis of the observed flow measurements compared with the observed rainfall to verify that Sepulveda Canyon effectively retains the 85th percentile, 24-hour storm event. The memorandum will identify the purpose of the monitoring, methodology, results, conclusions, and any limitations, and be accompanied with applicable maps and figures. A draft memorandum will be provided to the City for review and comment. Following one round of comments, NV5 will prepare and submit a final technical memorandum.

Assumptions
• Access agreements may be necessary, but no encroachment permits will be required. • Traffic control plans will not be necessary. Standard traffic caution procedures will be used asneeded. • NV5 assumed the Canyon site may require confined space entry for installation and removal. When confined space entry is required, field teams properly trained and certified in confined space entry will use confined space equipment including use of a tripod, winch, and harness system for fall protection and emergency egress, four gas monitoring, two-way communication, and air ventilation as-needed.
• Task 5 assumes preparation of one draft memorandum and one final memorandum to address comments from the City.

References
USEPA (U.S Environmental Protection Agency), 1992. NPDES Storm Water Sampling Guidance Document. EPA 833-B-92-001. Office of Water, USEPA, Washington, DC. July 1992. 142
4 2 EXHIBIT B - COST ESTIMATE
NV5 has estimated the total cost to complete all tasks described in the scope of work below. The cost estimate summary for each task and total project cost is provided in Table 1. The detailed cost estimate worksheets including itemized labor costs and equipment costs for each task are provided in Table 2.

Table 1. Cost Estimate Summary
Sepulveda Canyon Continuous Flow
Monitoring
Total Staff
Hours
Total Labor
Costs
Total
Reimbursables Total Costs
Task 1. Project Management and
Coordination 18 $ 3,190.00 $ - $ 3,190.00
Task 2. 2022-2023 Flow Monitoring (8
months) 52 $ 6,520.00 $ 2,818.75 $ 9,338.75
Task 3: 2023-2024 Flow Monitoring
(12 months) 58 $ 7,300.00 $ 3,437.50 $ 10,737.50
Task 4: 2023-2024 Flow Monitoring
(12 months) 66 $ 8,200.00 $ 3,468.75 $ 11,668.75
Task 5: Technical Memorandum 28 $ 4,510.00 $ - $ 4,510.00 Total Project Cost $ 29,720.00 $ 9,725.00 $ 39,445.00
143
Table 2. Detailed Cost Estimate
Alta Title Hourly Rate Hours Cost Hours Cost Hours Cost Hours Cost Hours Cost Principal $ 210.00 $ - $ - $ - $ - $ - $ -
Senior Project Manager III $ 190.00 16 $ 3,040.00 8 $ 1,520.00 10 $ 1,900.00 10 $ 1,900.00 10 $ 1,900.00 $ 10,260.00 Senior I Jacqueline McMillen $ 170.00 $ - $ - $ - $ - 8 $ 1,360.00 $ 1,360.00 Associate III Austin Kay $ 140.00 $ - $ - $ - $ - $ - $ - Associate I Nick Poser/Katlin Goodrich $ 125.00 $ - 24 $ 3,000.00 24 $ 3,000.00 28 $ 3,500.00 10 $ 1,250.00 $ 10,750.00 Specialist III $ 110.00 $ - $ - $ - $ - $ - $ -
Specialist II $ 100.00 $ - 20 $ 2,000.00 24 $ 2,400.00 28 $ 2,800.00 $ - $ 7,200.00 Financial Analyst II $ 75.00 2 $ 150.00 $ - $ - $ - $ - $ 150.00 Labor Fee Costs 18 $ 3,190.00 52 $ 6,520.00 58 $ 7,300.00 66 $ 8,200.00 28 $ 4,510.00 $ 29,720.00

Notes Unit Cost units Cost units Cost units Cost units Cost units Cost Totals $0.625 mile $ 0.63 $ - 350 $ 218.75 300 $ 187.50 350 $ 218.75 $ - $ 625.00 $325/month or $3,250/year $ 325.00 $ - 8 $ 2,600.00 1 $ 3,250.00 1 $ 3,250.00 $ - $ 9,100.00 ODCs Cost $ - $ 2,818.75 $ 3,437.50 $ 3,468.75 $ - $ 9,725.00 Total Project
Cost
$ 39,445.00
Task 5: Technical
Memorandum
$ 9,338.75 $ 10,737.50 $ 4,510.00
Task 1. Project
Management and
Coordination
Task 2. 2022-2023 Flow
Monitoring (8 months)
Task 3: 2023-2024
Flow Monitoring (12
months)
Task 4: 2023-2024
Flow Monitoring (12
months)
$ 11,668.75
Other Direct Costs
Total Cost Estimate (Labor and ODCs) $ 3,190.00
Mileage
MS4 Flow System
Inez Bretado
Victoria Hall
Totals
Alta Staff
Dave Renfrew
Garth Engelhorn
Sepulveda Canyon Continuous Flow Monitoring
Task 1. Project
Management and
Coordination
Task 2. 2022-2023 Flow
Monitoring (8 months)
Task 3: 2023-2024
Flow Monitoring (12
months)
Jake Daxe Pullins
Task 5: Technical
Memorandum
Task 4: 2023-2024
Flow Monitoring (12
months)
144
Agenda Item No.: 9.A
Mtg. Date: 11/14/2022
TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: JOHN SIGNO, DIRECTOR OF PLANNING & COMMUNITY SERVICES THRU: ELAINE JENG P.E., CITY MANAGER
SUBJECT: ZONING CASE NO. 22-60: A REQUEST FOR THE APPROVAL OF A SITE PLAN REVIEW FOR THE CONSTRUCTION OF A NEW 800

SQUARE-FOOT SWIMMING POOL/SPA AND FOR NON-EXEMPT
GRADING; AND A CONDITIONAL USE PERMIT FOR THE
CONSTRUCTION OF A 797-SQUARE-FOOT POOL HOUSE LOCATED
AT 21 CHUCKWAGON ROAD (MAUS) (LOT 4-CF & LOT 7-CF). THE PROJECT IS CATEGORICALLY EXEMPT FROM CEQA.

DATE: November 14, 2022
BACKGROUND:

On October 18, 2022, the Planning Commission unanimously adopted 3-0, with one commissioner absent and one commissioner recused, to approve Resolution No. 2022-17 and Zoning Case No. 22-60 for a Site Plan Review the construction of a new 800 square foot swimming pool/spa and a Conditional User Permit for a new 797 square foot pool house for the subject property located at 21 Chuckwagon Road. The Planning Commission added following conditions to address residents' concerns:

MM. The applicant shall remove all of the existing portable toilets located at the north portion of the lot that fronts Chesterfield Road immediately after execution of this resolution. The applicant shall relocate the portable toilets to the vicinity of the barn or to an area on the property that will not impact the neighbors’ views. In addition, during construction and any time after the project is complete, the applicant shall not place any sheds, storage bins, or temporary structures on the property that will impact the neighbors’ views.

NN. The applicant is required to present a Landscape Plan to the Planning Division for approval prior to issuance of a building permit. The landscape shall include plant materials that will provide privacy for the property owners, and provide screening to minimize the neighbors’ views of the swimming pool and pool house. The landscaping shall be planted along the northern portion of the fence line of Pad #2. Hedges are prohibited in the City, and the applicant shall use drought tolerant native plants, including trees, shrubs, and bushes.

OO. The existing pasture and corral area shall be restored to its natural state. The existing driveway and road located at the easterly portion of Pad #3 shall be removed 145
prior to plan check submittal. No future driveway shall be permitted without approval from the City.

PP. The 143 cubic yards of dirt excavated from the swimming pool shall be exported.

Pad #2 shall remain at the same grade with no increase to the existing elevation. Prior to plan check submittal, plans shall be revised to show excavated dirt for the swimming pool removed from the property.

Field Trip to 21 Chuckwagon Road
A field trip was held the morning of October 18, 2022, at the subject property. Commissioner Cardenas was absent and Commissioner Cooley recused herself due to proximity to the project site. Residents included:

William Dilfer, Tannia Dilfer, James Aichele, Leah Mirsch, Martha Bernadette, Faustino Bernadette, Larry (5 Chesterfield), Cheryl Marcz, Mario Ramirez, Sam Maus Assistant Planner Stephanie Grant gave the staff presentation for a proposed swimming pool and pool house on an existing building pad. Residents Cheryl Marcz, Martha Bernadette, Faustino Bernadette, James Aichele, and Mario Ramirez spoke on the item. Concerns included:

Portable toilets and storage along Chesterfield Road;
Parking on Chesterfield Road, including parking for construction workers; A gravel driveway that was installed on a pasture/corral area leading to Chesterfield Road that was not permitted; and
Shared access of a driveway from Chesterfield Road between three properties including the subject property.

The Planning Commission considered the concerns raised by the residents and adopted the specific conditions of approval provided above.

Zoning, Location, and Lot Description
The subject property is zoned RAS-1 and OZD-1. The property located at 21 Chuckwagon Road has a gross lot area of 55,627 square feet (1.28 acres) and net lot area of 38,373 square feet (0.88 acre). In 2000, the existing lot was part of lot merger and lot line adjustment of two lots (Lot 4-CF) and (Lot 7 C-F) resulting in one irregular perpendicular shaped parcel.

The west portion of the lot fronts Chuckwagon and the northeast portion of the lot fronts Chesterfield Road.

The lot is developed with a 2,886 square foot single-family residence, 676 square foot attached garage, and 423 square foot stable. There are a total of 3 building pads on the site.

The existing residence and garage are located on the primary building pad (Pad #1), which has a total area of 7,320 square feet. The second building pad (Pad #2) is the proposed location for the Project and is currently vacant, and it has a total area of 4,795 square feet.

The existing 423 square foot barn and 1,805 square foot corral are located on the third building pad (Pad #3) which has a total area of 2,228 square feet.

DISCUSSION:

Applicants’ Requests
The applicant, Mr. Sam Maus, is proposing to construct a new 800 square foot swimming 146
pool/spa, 797 square foot pool house, and 143 cubic yards of exempt grading for the excavation of the swimming pool. The proposed new structures and landscaping will be located on the existing secondary building pad (Pad #2) that is relatively flat and undeveloped.

Site Plan Review
The Rolling Hills Municipal Code Section 17.16.200.G.(3) requires a Site Plan Review approval for a swimming pool/spa that is 800 square feet or greater. The applicant proposed the construction of a new 800 square-foot swimming pool/spa with a slide, 1,484 square feet of flatwork, and 43-square-foot pool equipment that will be located on Pad #2. The main driveway entrance fronts on Chuckwagon Road, and the driveway extends behind the main residence down the slope to south portions of Pad #2 and Pad #3. There is a shared private driveway located along the westerly portion of the parcel that fronts onto Chesterfield Road.

The project includes 143 cubic yards excavation for the swimming pool/spa which will be exported from the site. The Rolling Hills Municipal Code (RHMC) Section 17.46.020.(2)(a) states the actual excavation for the swimming pool or spa is not considered grading and is exempt from discretionary review.

Initially, the Applicant proposed the excavated dirt from the pool to raise the building pad by 12 inches. This is considered non-exempt subject to Site Plan Review approval. At the October 18, 2022 meeting, the Planning Commissioners expressed concerns regarding the fill and increase of the pad by 12 inches because it would increase the height of the proposed ridgeline of the pool house. Furthermore, it would be better to preserve the existing grade by exporting the excavated dirt from the pool. A condition of approval has been added to remove the excavated dirt from the property.

Conditional Use Permit (CUP)
Per Rolling Hills Municipal Code (RHMC) Section 17.16.200, a Conditional Use Permit is required for a pool house subject to the conditions in RHMC Section 17.16.200(L)(7). The Applicant is requesting an approval of a Conditional Use Permit for the proposed 797-squarefoot pool house to be located on the southern portion of Pad #2.

MUNICIPAL CODE COMPLIANCE
Area of Disturbance
The property has been previously disturbed due to development of the residence, attached garage, paved areas, stable, and corral. The Project proposes no additional disturbance. The proposed project is located on the secondary building pad that is already disturbed, relatively flat, and only requires minimal grading for the excavation of the pool and fill. The total disturbed area is 60.00% of the net lot area, or 34,355 square feet. 147
Access to Stable and Corral
The existing stable and corral are accessible from Chesterfield Road accessed via a pathway along the western property line.

Lot Coverage
The existing structural coverage on the lot will be 6,043 square feet, or 16% of the net lot area, which meets the lot coverage limitation of 20% maximum. The proposed pool, spa, pool house, and flatwork increases the lot coverage by 2.5%. The proposed total coverage including structures and flatwork will be 21,085 square feet or 30.6% of the net lot area, which also meets the lot coverage limitation of 35% maximum.

Environmental Review
The proposed project has been determined to not have a significant effect on the environment and is categorically exempt from the provisions of CEQA pursuant to Section 15303, Class 3 (New Construction or Conversion of Small Structures), which exempts the construction and location of new small facilities or structures, including accessory structures (e.g., including but not limited to garages, carports, patios, swimming pools and fences).

Public Participation
On October 13, 2022, residents Martha Bernadette and Cheryl Marcz came into City Hall to review the plans and express their concerns. Their concerns included: the current onsite construction, location of the portable toilets, gravel driveway on the corral, parking in the culde-sac on Chesterfield, shared driveway access, and landscape screening for the new pool house and swimming pool/spa.

There were several neighbors in attendance at the morning field trip meeting on October 18, 2022. Residents in attendance were: William Dilfer, Tannia Dilfer, James Aichele, Leah Mirsch, Martha Bernadette, Faustino Bernadette, Larry (5 Chesterfield), Cheryl Marcz, Mario Ramirez, and Sam Maus. Their concerns included:

Portable toilets and storage along Chesterfield Road;
Parking on Chesterfield Road, including parking for construction workers; A gravel driveway that was installed on a pasture/corral area leading to Chesterfield Road that
was not permitted; and
Shared access of a driveway from Chesterfield Road between three properties including the
subject property.

On October 18, 2022, the City received a letter from Faustino Bernadett and Martha 148
Bernadett. They were both in support of the project, but requested the portable toilets be relocated, the gravel driveway in the corral be removed, and best construction management practices be followed. Their letter has been attached to this report.

The Planning Commissioners had the following concerns:

Landscape Plans - the type of plants and screening of the swimming pool/spa and pool house;
Portable toilets and storage along Chesterfield Road;
The gravel driveway that was installed and not permitted; The grading of the second building pad and and using the 143 cubic yard of cut from the swimming pool/spa to fill second building pad;
Increasing the height of the second building pad by 12 inches; and Ownership of the shared driveway access from Chesterfield Road At the evening Planning Commission meeting on October 18, 2022, the Commissioners discussed and addressed the concerns. Chair Chelf opened the meeting to the public, and there were no public comments. The Conditions of Approval for Resolution 2022-17 were revised to include special conditions discussed above. Since the meeting, the Applicant has removed the gravel driveway and restored the corral back to its natural state. The before and after photos of the corral are attached to this report. In addition, the portable toilets have been relocated farther from the neighboring residences. Any construction storage will be screened from the neighbors' sight and out of view. Staff is working with the Applicant's Landscape Architect to address the landscape issues. Staff confirmed that the shared driveway is not an easement, but a shared private driveway access owned by 21 Chuckwagon Road, 23 Chuckwagon Road, and 25 Chuckwagon Road. The shared private driveway access will be used during the construction of the new swimming pool/spa and pool house. According to the RHCA, the parking of the cars on the cul-de-sac is permitted during the day.

CRITERIA FOR SITE PLAN REVIEW
Section 17.46.050 - Required Site Plan Review findings.

1. The Commission shall be required to make findings in acting to approve, conditionally approve, or deny a site plan review application.

2. No project which requires site plan review approval shall be approved by the Commission, or by the City Council on appeal, unless the following findings can be made:

3. The project complies with and is consistent with the goals and policies of the general plan and all requirements of the zoning ordinance;

4. The project substantially preserves the natural and undeveloped state of the lot by minimizing building coverage. Lot coverage requirements are regarded as maximums, and the actual amount of lot coverage permitted depends upon the existing buildable area of the lot;

5. The project is harmonious in scale and mass with the site, the natural terrain and surrounding residences;

6. The project preserves and integrates into the site design, to the greatest extent possible, existing topographic features of the site, including surrounding native vegetation, mature trees, drainage courses and land forms (such as hillsides and knolls); 149

7. Grading has been designed to follow natural contours of the site and to minimize the amount of grading required to create the building area;

8. Grading will not modify existing drainage channels nor redirect drainage flow, unless such flow is redirected into an existing drainage course;

9. The project preserves surrounding native vegetation and mature trees and supplements these elements with drought-tolerant landscaping which is compatible with and enhances the rural character of the community, and landscaping provides a buffer or transition area between private and public areas;

10. The project is sensitive and not detrimental to the convenient and safe movement of pedestrians and vehicles; and

11. The project conforms to the requirements of the California Environmental Quality Act.

12. If all of the above findings cannot be made with regard to the proposed project, or cannot be made even with changes to the project through project conditions imposed by City staff and/or the Planning Commission, the site plan review application shall be denied.

Section 17.42.050 - Criteria for Approval of a Conditional Use Permit.

The Commission (and Council on appeal), in acting to approve a conditional use permit application, may impose conditions as are reasonably necessary to ensure the project is consistent with the General Plan, compatible with surrounding land use, and meets the provisions and intent of this title. In making such a determination, the hearing body shall find that the proposed use is in general accord with the following principles and standards:

1. That the proposed conditional use is consistent with the General Plan;

2. That the nature, condition and development of adjacent uses, buildings and structures have been considered, and that the use will not adversely affect or be materially detrimental to these adjacent uses, building or structures;

3. That the site for the proposed conditional use is of adequate size and shape to accommodate the use and buildings proposed;

4. That the proposed conditional use complies with all applicable development standards of the zone district;

5. That the proposed use is consistent with the portions of the Los Angeles County Hazardous Waste Management Plan relating to siting and siting criteria for hazardous waste facilities;

6. That the proposed conditional use observes the spirit and intent of this title.

FISCAL IMPACT:

None.

RECOMMENDATION:

Receive and file.

ATTACHMENTS:
221005_21ChuckwagonRd_ZC22-60_Radius Map.pdf
Development Table
Development Plans
CL_AGN_221018_PC_BlueFolderItem_PublicComment.pdf
Before and After Photos.docx
2022-17_PC_Resolution_21ChuckwagonRoad_ZC22-60_Maus_E.pdf 150
151
Development Table
Zoning Case No. 22-60
21 Chuckwagon Road
Site Plan Review, and
Variance EXISTING PROPOSED TOTAL
RA-S- 1 Zone
OZD-1 Zone

SINGLE FAMILY

RESIDENCE,

ATTACHED GARAGE,
& BARN
SPR FOR NEW 800 SF
POOL/SPA, SPR FOR 143

CY NON-EXEMPT

GRADING, & CUP FOR NEW
797 SF POOL HOUSE
Gross Lot 55,627 SF (1.28 acres) 0 SF 55,627 SF (1.28 acres) Net Lot Area 38,373 SF(0.88 acres) 0 SF 38,373 SF(0.88 acres) Residence 2,886 SF 0 SF 2,886 SF
Garage 676 SF 0 SF 676 SF
Swimming Pools/Spa 0 SF 800 SF 800 SF
Pool Equipment 0 SF 44 SF 44 SF
Pool House 0 SF 797 SF 797 SF
Stable minimum: 450 SF
Corral minimum: 550 SF
423 SF
1,805 SF
0 SF
0 SF
423 SF
1,805 SF
Recreation Court 0 SF 0 SF 0 SF
Stairs 0 SF 30 SF 30 SF
Attached Covered Porches, Entryway,
Porte Cochere, Breezeways
417 SF 0 SF 417 SF
Detached Structures: Sheds, Trellises,
Gazebos 0 SF 0 SF 0 SF
Water features 0 SF 0 SF 0 SF
Service Yard 0 SF 0 SF 0 SF
Basement Area 0 SF 0 SF 0 SF
Primary Driveway 2729 SF 0 SF 2,729 SF
Paved walks, patio areas, courtyards 1,484 SF 1,484 6,742 SF Other paved areas 169 SF 169 SF
Grading 0 CY 286 CY total
143 CY cut (exempt)
143 CY fill (non-exempt)
286 CY
Total Structure Area 4,402 SF 1,641 SF 6,043 SF
Structural Lot Coverage
(20% max)
4,402 (11.5%) 1,597 SF (4.1%) 5,998.5 SF (15.6%)
Flatwork Lot Coverage 3,148 SF (8.2 %) 1,514 SF (3.9 %) 4,662 SF (12.5%) Total Lot Coverage (Structures and
Flatwork) (35% max & with deductions
7,550 SF (19.6%) 3,154 SF (8.2%) 10,704 SF (27.9%)
Total Disturbed Area
(40% maximum)
23,030 SF (60%) 0 SF 20,030 SF (60%)
Building Pad #1 total 7,492 SF
Main Residence and Garage

53.1%F 0 SF 53.1%F
Building Pad #2 total 4,795 SF
Proposed Project
0% 65% 65%
Building Pad #3 total 2,228 SF 18.9% 0 SF 18.9%
152
PP1027.42
1023.11 PL 2125 2616 ICV PL PL PL PL R/W
R/W GOLF CART PARKING EXISTING BARN 423 SF F.F.ELEV.: 997' PROPOSED POOL HOUSE 797 SF F.F.ELEV.:107'-2" PROPOSED NEW SWIMMING POOL EXISTING DRIVEWAY EXISTING DRIVEWAY EXISTING YARD NEW PATIO (PORCELAIN TILES OVER CONCRETE SLAB) GAS FIRE PIT 35'-5 1/2" 5'-1 243/256"3' DEEP HOT TUB UNDER GROTTO WATERFALL EDGE SLIDE 6" BAJA SHELF NEW POOL EQUIPMENT (AREA= 43.55 SF) 4'X8' CONCRETE SLAB WITH 3' HIGH WALL ENCLOSURE (see details on Sheet A.6) 3' DEEP SWIM-UP BAR DRY SEATING BAR TOP 8' DEEP POOL STAIRS TO SLIDE 4'-0" 3'-0" 25'-0" ROADWAY EASEMENT 30'-0" FRONT SETBACK PROPERTY LINE NET LOT LINE 20' SETBACK 50'-0" 50'-0" EXISTING 3 CAR GARAGE 676 SF EXISTING SINGLE STORY HOUSE 2886 SF F.F.ELEV.:124'-11" PAD 2 (POOL AREA) 4795 SF 105 100 EXISTING ROCK PLANTER TO REMAIN EXISTING ROCK PLANTER TO REMAIN 110 120 115 125 130 124 126 125 123 122 115 110 115 123 120 105 105 100 95 95 90 83 85 80 85 SLOPE DOWN PROPERTY LINE PROPERTY LINE PAD 1 (HOUSE AREA) 7492 SF EXISTING COVERED PATIO 417 SF EXISTING FRUIT TREE TO REMAIN 90 135 125 130 existing driveway maximum slope = 29% existing driveway slope down = 15% 130 90 1 1 2 PROPERTY LINE ELEV.:95'-0" NET LOT LINE ROADWAY EASEMENT CHUCKWAGON RD CENTERLINE 35'-0" 110 NEW CONCRETE STAIRS AREA=29.89 SFUP6R 2 85 PAD 3 (BARN AREA) 2228 SF NEW PLANTER DROUGH RESITANT PLANTSEXISTING FENCE driveway slope down 14'-6" ROOF EAVE LINE PROJECTION BARN ROOF EAVE LINE PROJECTION EXISTING HOUSE ROOF EAVE LINE PROJECTION 4'-0" 4'-0" 2'-0" 2'-0" ROOF EAVE LINE PROJECTION ROOF EAVE LINE PROJECTION SLOPE DOWN EXISTING GRADE SLOPE DOWN EXISTING GRADE SLOPE DOWN EXISTING GRADE SLOPE DOWN 120 115 NEIGHBORS STRUCTURE NEIGHBORING HOUSE OUTLINE OUTLINE EXISTING SEPTIC TANK TO BE REMOVED (APPROX. LOCATION) DRIVEWAY EASEMENT RECENTLY DEMOLISHED NEIGHBORING HOUSE OUTLINE NEIGHBORING HOUSE OUTLINE NEIGHBORS HOUSE ROOF EAVE PROJECTION 137 walk & porch paving area= 169 sf CHUCKWAGON RD walk & patio paving area= 250 sf CHESTERFIELD ROAD (FIRE DEPT. ACCESS) SITE - CROSS SECTION MARK SITE - CROSS SECTION MARK SITE - CROSS SECTION MARK SITE - CROSS SECTION MARK EXISTING PRIVATE DRIVEWAY EXISTING GATES (NOT CURRENTLY USED) FUTURE SEPTIC TANK (APROX. LOCATION)

CHUCKWAGON RD
124'-9"
58'-5" 77'-5" 131'-8" 245'-5" 239'-4"
363'-9" 354'-10"
323'-6"
211'-11"
396'-6" 429'-11"
261'-0" 268'-10" 205'-6" 287'-2" PROPOSED POOL HOUSE CHESTERFIELD A0XX MAUS RESIDENCE POOL HOUSE 21 CHUCKWAGON RD. ROLLING HILLS CA 90274 X THESE DRAWINGS, SPECIFICATIONS, IDEAS AND DESIGNS ARE INSTRUMENTS OF SERVICE AND ARE THE PROPERTY OF THE ARCHITECT. ALL DESIGNS AND DRAWINGS ARE FOR THE USE ON THE SPECIFIED PROJECT AND SHALL NOT BE USED OTHERWISE WITHOUT THE EXPRESSED WRITTEN PERMISSION OF THE ARCHITECT. VISUAL CONTACT WITH THESE DRAWINGS OR SPECIFICATIONS SHALL CONSTITUTE CONCLUSIVE EVIDENCE OF ACCEPTANCE OF THESE RESTRICTIONS. ENGINEERING & ARCHITECTURE   Z 
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 ZZZEUHHQHQJFRP NR 'DWH IWHP 3R2-ECT  'RA:N %< CHEC.E' %< 'ATE EDUARDO CESPEDES 07-06-2022 3ER0IT A33  SAM & KRIS MAUS 21 CHUCKWAGON RD. ROLLING HILLS CALIFORNIA, 90274 Ph:310-254-4612 COPYRIGHT ©2022 BREEN ENGINEERING, INC. 09-08-2022 PLANNING REVISION DESCRIPTION OF PROJECT: CONSTRUCTION OF A NEW POOL HOUSE ADJACENT TO A NEW SWIMMING POOL,(UNDER A SEPARATE PERMIT), IN THE REAR PORTION (EAST SIDE) OF THE PROPERTY LOCATED AT 21 CHUCKWAGON ROAD, ROLLING HILLS, CALIFORNIA. THE NEW STRUCTURE IS PROPOSED TO BE ERECTED ON AN XISTING FLAT PAD OF THE LOT THAT WILL REQUIRE SOME LEVELING, BUT NO CONSIDERABLE CUT AND FILL OF THE EXISTING TERRAIN, NO EXPORT OR IMPORT OF SOIL WILL TAKE PLACE. THE PROPOSED POOL HOUSE WILL BE A SINGLE STORY, WOODEN FRAME STRUCTURE WITH SLOPED HIP ROOF, OF SIMILAR PITCH AND ROOFING MATERIAL TO THE EXISTING MID-CENTURY HOUSE IN THE PROPERTY PROJECT DATA: PROJECT ADDRESS: 21 CHUCKWAGON ROAD, ROLLING HILLS, CALIFORNIA LEGAL DESCRIPTION: LOTS 4 & 7 AP# 7567-006-038 TRACT 6705.00 ZONING: RAS-1 & OZD-1 SITE AREA: 1.24 ACRES ( 54,014.45 SF) EXISTING HOUSE COVERED AREA: 2,860 SF, (LOCATED IN PAD#1 OF SITE PLAN) NEW PROPOSED POOL HOUSE: 797 SF, SINGLE STORY- TYPE V CONSTRUCTION (LOCATED IN PAD# 3 OF SITE PLAN) OTHER STRUCTURES ON THE SITE: EXISTING BARN (ON PAD#3 SOUTHEAST QUADRANT OF SITE PLAN) PROJECT OWNER: SAM & KRIS MAUS PHONE: 310-254-4612 21 CHUCKWAGON ROAD, ROLLING HILLS, CALIFORNIA ARCHITECT: EDUARDO CESPEDES PHONE: 310-200-5515 BREEN DESIGN GROUP 1983 W. 190TH STREET, SUITE 200 TORRANCE, CA 90504 CIVIL ENGINEER: TRAVIS IVERSON P.E. PHONE: 661-284-7421 DAVID EVANS & ASSOCIATES 25152 SPRINGFIELD CT. SUITE 350 SANTA CLARITA, CA 91355 VICINITY MAPN COVER SHEET ENTIRE PROPERTY - SITE PLAN SCALE 1/16"=1'-0" 07-06-2022 SHEET INDEX: A.0: COVER SHEET - SITEPLAN A-1: SITE PLAN - POOL PAD A.2: POOL HOUSE PLAN & ELEVATIONS A.3: POOL HOUSE SECTIONS A.4: SITE SECTIONS A.5: PROPERTY PHOTOS A.6: DETAILS L.1: LANDSCAPE PLAN C.1: SURVEY-EXISTING TOPO C.2: GRADING PLAN C.3: CUT & FILL AREA SUMMARY LOT AREA TOTAL= 55,627 SF NET LOT AREA= 38,373 SF EXISTING STRUCTURES ON SITE: ON PAD #1 (PAD SIZE 7320 SF) EXISTING HOUSE: 2886 SF COVERED PATIO: 417 SF EXISTING GARAGE: 676 SF TOTAL STRUCTURES ON PAD 1= 3979 SF ON PAD #3 ( PAD SIZE 2228 SF) EXISTING BARN: 423 SF TOTAL STRUCTURES ON PAD 3= 423 SF PROPOSED STRUCTURES ON SITE: ON PAD #2 (PAD SIZE 4795 SF) NEW POOL HOUSE: 797 SF NEW SWIMING POOL: 800 SF TOTAL STRUCTURES ON PAD 2= 1597 SF TOTAL AREA OF STRUCTURES ON SITE (NEW & EXISTING)= 5999 SF STRUCTURAL NET LOT COVERAGE = 15.63% NON STRUCTURAL LOT COVERAGE (INSIDE NET LOT): EXISTING DRIVEWAY & MOTORCOURT 2729 SF EXISTING HOUSE WALK & PORCH 169 SF EXISTING OTHER WALKS 250 SF NEW POOL AREA PATIO & WALKS 1484 SF TOTAL NON STRUCTURAL COVERAGE= 4632 SF NET LOT COVERAGE: STRUCTURAL 5999 + NON-STRUC. 4632= 10631 SF TOTAL NET LOT COVERAGE: 27.70% SITE PLAN 153
1023.11 PL 2616 ICV PL PL PL
R/W GOLF CART PARKING EXISTING BARN 423 SF F.F.ELEV.: 997' PROPOSED POOL HOUSE 797 SF F.F.ELEV.:107'-2" PROPOSED NEW SWIMMING POOL EXISTING DRIVEWAY EXISTING DRIVEWAY EXISTING YARD NEW PATIO (PORCELAIN TILES OVER CONCRETE SLAB) GAS FIRE PIT 35'-5 1/2" 5'-1 243/256"3' DEEP HOT TUB UNDER GROTTO WATERFALL EDGE SLIDE 6" BAJA SHELF NEW POOL EQUIPMENT (AREA= 43.55 SF) 4'X8' CONCRETE SLAB WITH 3' HIGH WALL ENCLOSURE (see details on Sheet A.6) 3' DEEP SWIM-UP BAR DRY SEATING BAR TOP 8' DEEP POOL STAIRS TO SLIDE 4'-0" 3'-0" 25'-0" ROADWAY EASEMENT 30'-0" FRONT SETBACK EXISTING 3 CAR GARAGE 676 SF EXISTING SINGLE STORY HOUSE 2886 SF F.F.ELEV.:124'-11" PAD 2 (POOL AREA) 4795 SF 105 100 EXISTING ROCK PLANTER TO REMAIN EXISTING ROCK PLANTER TO REMAIN 110 120 115 125 130 124 126 125 123 122 115 110 115 123 120 105 105 PAD 1 95 (HOUSE AREA) 7492 SF EXISTING COVERED PATIO 417 SF EXISTING FRUIT TREE TO REMAIN 90 125 130 existing driveway maximum slope = 29% existing driveway slope down = 15% 90 1 1 2 NET LOT LINE ROADWAY EASEMENT CHUCKWAGON RD CENTERLINE 35'-0" 110 NEW CONCRETE STAIRS AREA=29.89 SFUP6R 2 PAD 3 (BARN AREA) 2228 SF NEW PLANTER DROUGH RESITANT PLANTS driveway slope down 14'-6" ROOF EAVE LINE PROJECTION BARN ROOF EAVE LINE PROJECTION EXISTING HOUSE ROOF EAVE LINE PROJECTION 4'-0" 4'-0" 2'-0" 2'-0" ROOF EAVE LINE PROJECTION ROOF EAVE LINE PROJECTION SLOPE DOWN EXISTING GRADE SLOPE DOWN EXISTING GRADE SLOPE DOWN EXISTING GRADE SLOPE DOWN 120 115 NEIGHBORS STRUCTURE NEIGHBORING HOUSE OUTLINE OUTLINE EXISTING SEPTIC TANK TO BE REMOVED (APPROX. LOCATION) DRIVEWAY EASEMENT RECENTLY DEMOLISHED NEIGHBORING HOUSE OUTLINE NEIGHBORS HOUSE ROOF EAVE PROJECTION 137 walk & porch paving area= 169 sf CHUCKWAGON RD walk & patio paving area= 250 sf SITE - CROSS SECTION MARK SITE - CROSS SECTION MARK

SITE - CROSS SECTION MARK
SITE - CROSS SECTION MARK EXISTING GATES (NOT CURRENTLY USED) FUTURE SEPTIC TANK (APROX. LOCATION) A1XX MAUS RESIDENCE POOL HOUSE 21 CHUCKWAGON RD. ROLLING HILLS CA 90274 X THESE DRAWINGS, SPECIFICATIONS, IDEAS AND DESIGNS ARE INSTRUMENTS OF SERVICE AND ARE THE PROPERTY OF THE ARCHITECT. ALL DESIGNS AND DRAWINGS ARE FOR THE USE ON THE SPECIFIED PROJECT AND SHALL NOT BE USED OTHERWISE WITHOUT THE EXPRESSED WRITTEN PERMISSION OF THE ARCHITECT. VISUAL CONTACT WITH THESE DRAWINGS OR SPECIFICATIONS SHALL CONSTITUTE CONCLUSIVE EVIDENCE OF ACCEPTANCE OF THESE RESTRICTIONS. ENGINEERING & ARCHITECTURE   Z 
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 ZZZEUHHQHQJFRP NR 'DWH IWHP 3R2-ECT  'RA:N %< CHEC.E' %< 'ATE EDUARDO CESPEDES 07-06-2022 3ER0IT A33  SAM & KRIS MAUS 21 CHUCKWAGON RD. ROLLING HILLS CALIFORNIA, 90274 Ph:310-254-4612 COPYRIGHT ©2022 BREEN ENGINEERING, INC. 09-08-2022 PLANNING REVISION PARTIAL SITE PLAN SCALE: 1/8"= 1'-0" N ENLARGED SITE PLAN - POOL AREA 154
BATHROOM CLOSET POOL HOUSE BAR AREA WINE CHILLER FIREPLACE 16' SLIDING DOOR (lower rollers type) 32'-0" 25'-0"
15'-2" 5'-0" 4'-10" A B B A 11'-0" 16'-0" 5'-0" 7'-4" 5'-0" 10'-5" 3'-0" 6'-3" 3'-4" 2'-0" 5'-0" 2'-0" 2'-9" 3'-4" 6'-7" T.O.PLATE HEADER T.O.SLAB=F.F. ELEV.: 107'-2" 8'-6"
7'-0" 12 5 T.O.ROOF ( RIDGE TILE ) ELEV.: 121'-11"
14'-11" 12 5
7'-7 5/8"
14'-9" T.O.PLATE HEADER T.O.SLAB
8'-6"
7'-0" SOUTH ELEVATION
14'-11" RIDGE - ROOF FINISH FINISH GRADE 12 5 12 5 T.O.PLATE HEADER T.O.SLAB ( FFE ) 8'-6"
7'-0" NORTH ELEVATION
14'-11" RIDGE - ROOF FINISH 12 5 12 5
8'-6" T.O.PLATE HEADER
7'-0" T.O.SLAB GOLF CART PARKING 12 5
14'-11" GRADE 12 5
3'-0" A2XX MAUS RESIDENCE POOL HOUSE 21 CHUCKWAGON RD. ROLLING HILLS CA 90274 THESE DRAWINGS, SPECIFICATIONS, IDEAS AND DESIGNS ARE INSTRUMENTS OF SERVICE AND ARE THE PROPERTY OF THE ARCHITECT. ALL DESIGNS AND DRAWINGS ARE FOR THE USE ON THE SPECIFIED PROJECT AND SHALL NOT BE USED OTHERWISE WITHOUT THE EXPRESSED WRITTEN PERMISSION OF THE ARCHITECT. VISUAL CONTACT WITH THESE DRAWINGS OR SPECIFICATIONS SHALL CONSTITUTE CONCLUSIVE EVIDENCE OF ACCEPTANCE OF THESE RESTRICTIONS. ENGINEERING & ARCHITECTURE   Z 
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 ZZZEUHHQHQJFRP NR 'DWH IWHP 3R2-ECT  'RA:N %< CHEC.E' %< 'ATE EDUARDO CESPEDES 07-06-2022 3ER0IT A33  SAM & KRIS MAUS 21 CHUCKWAGON RD. ROLLING HILLS CALIFORNIA, 90274 Ph:310-254-4612 COPYRIGHT ‹2022 BREEN ENGINEERING, INC. 09-08-2022 PLANNING REVISION EAST ELEVATION SOUTH ELEVATION FLOOR PLAN ELEVATIONS SCALE  
-0 POOL HOUSE PLAN NORTH ELEVATION WEST ELEVATION COVERED AREA 797 SF 8-0-22 SLIDING DOOR WIDTH
155
8'-6" T.O.PLATE HEADER
7'-0" T.O.SLAB SECTION A-A
14'-11" 12 5 12 5 GRADE LINE T.O.PLATE HEADER T.O.SLAB ( FFE:107'-2" ) 8'-6"
7'-0" SECTION B-B
14'-11" RIDGE - ROOF FINISH 12 5 12 5 WOOD TRUSS 5/8" GYP. BOARD ALL AROUND A3XX MAUS RESIDENCE POOL HOUSE 21 CHUCKWAGON RD. ROLLING HILLS CA 90274 THESE DRAWINGS, SPECIFICATIONS, IDEAS AND DESIGNS ARE INSTRUMENTS OF SERVICE AND ARE THE PROPERTY OF THE ARCHITECT. ALL DESIGNS AND DRAWINGS ARE FOR THE USE ON THE SPECIFIED PROJECT AND SHALL NOT BE USED OTHERWISE WITHOUT THE EXPRESSED WRITTEN PERMISSION OF THE ARCHITECT. VISUAL CONTACT WITH THESE DRAWINGS OR SPECIFICATIONS SHALL CONSTITUTE CONCLUSIVE EVIDENCE OF ACCEPTANCE OF THESE RESTRICTIONS. ENGINEERING & ARCHITECTURE   Z 
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 ZZZEUHHQHQJFRP NR 'DWH IWHP 3R2-ECT  'RA:N %< CHEC.E' %< 'ATE EDUARDO CESPEDES 07-06-2022 3ER0IT A33  SAM & KRIS MAUS 21 CHUCKWAGON RD. ROLLING HILLS CALIFORNIA, 90274 Ph:310-254-4612 COPYRIGHT ‹2022 BREEN ENGINEERING, INC. 09-08-2022 PLANNING REVISION POOL HOUSE SECTIONS SCALE 2 
-0
156
ROAD EASEMENT EXISTING DRIVEWAY EXISTING HOUSE F.F.ELEV.:124'-11" PROPOSED POOL HOUSE FINISH FLOOR ELEVATION.:107'-2" PROPERTY LINE ELEV.:107'-0" ROOF RIDGE ELEV.:121'-11" ELEV.:123'-0" ELEV.:121'-0" ELEV.:134'-0" ELEV.:124'-0" ELEV.:109'-0" ELEV.:95'-0" 90100 110 120 130 140 150 90100 110 120 130 140 150 EXISTING GRADE GRADE FILL TO MEET EDGE OF CONCRETE WALK, SLOPE RATIO APPROX.= 5:1 CONC. WALK GRADE CUT EXISTING GRADE EXISTING PAD #2 NATURAL GRADE TO REMAIN EXISTING DRIVEWAY 7'-8"
ROAD EASEMENT EXISTING DRIVEWAY EXISTING HOUSE F.F.ELEV:124'-11" PATIO (E) 110 elev.107'-0" EXISTING DRIVEWAY 8'-6"
PROPERTY LINE ELEV.:132'-0" ELEV.:95'-0" ELEV.:113'-0" ELEV.:125'-0" ELEV.:122'-0" 90 100 110 120 130 140 150 90 100 110 120 130 140 150 GRADE FILL TO EDGE OF CONCRETE WALK NATURAL GRADE LINE APPROX. SLOPE RATIO= 3:1 A4XX MAUS RESIDENCE POOL HOUSE 21 CHUCKWAGON RD. ROLLING HILLS CA 90274 X THESE DRAWINGS, SPECIFICATIONS, IDEAS AND DESIGNS ARE INSTRUMENTS OF SERVICE AND ARE THE PROPERTY OF THE ARCHITECT. ALL DESIGNS AND DRAWINGS ARE FOR THE USE ON THE SPECIFIED PRO-ECT AND SHALL NOT BE USED OTHERWISE WITHOUT THE EXPRESSED WRITTEN PERMISSION OF THE ARCHITECT. VISUAL CONTACT WITH THESE DRAWINGS OR SPECIFICATIONS SHALL CONSTITUTE CONCLUSIVE EVIDENCE OF ACCEPTANCE OF THESE RESTRICTIONS. ENGINEERING & ARCHITECTURE   Z 
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 ZZZEUHHQHQJFRP NR 'DWH IWHP 3R2-ECT  'RA:N %< CHEC.E' %< 'ATE EDUARDO CESPEDES 07-06-2022 3ER0IT A33  SAM & KRIS MAUS 21 CHUCKWAGON RD. ROLLING HILLS CALIFORNIA, 90274 Ph:310-254-4612 COPYRIGHT ©2022 BREEN ENGINEERING, INC. SITE SECTIONS ENTIRE SITE - SECTION 1-1 06-27-2022 SCALE 1/8"=1'-0" ENTIRE SITE - SECTION 2-2 SCALE 1/8"=1'-0" 157
MAUS RESIDENCE POOL HOUSE 21 CHUCKWAGON RD. ROLLING HILLS CA 90274 THESE DRAWINGS, SPECIFICATIONS, IDEAS AND DESIGNS ARE INSTRUMENTS OF SERVICE AND ARE THE PROPERTY OF THE ARCHITECT. ALL DESIGNS AND DRAWINGS ARE FOR THE USE ON THE SPECIFIED PROJECT AND SHALL NOT BE USED OTHERWISE WITHOUT THE EXPRESSED WRITTEN PERMISSION OF THE ARCHITECT. VISUAL CONTACT WITH THESE DRAWINGS OR SPECIFICATIONS SHALL CONSTITUTE CONCLUSIVE EVIDENCE OF ACCEPTANCE OF THESE RESTRICTIONS. ENGINEERING & ARCHITECTURE   Z 
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 ZZZEUHHQHQJFRP NR 'DWH IWHP 3R2-ECT  'RA:N %< CHEC.E' %< 'ATE EDUARDO CESPEDES 07-06-2022 3ER0IT A33  SAM & KRIS MAUS 21 CHUCKWAGON RD. ROLLING HILLS CALIFORNIA, 90274 Ph:310-254-4612 COPYRIGHT ‹2022 BREEN ENGINEERING, INC. 09-08-2022 PLANNING REVISION 158
concrete coping to match CMU 8" thick CMU wall 4" thick conc. slab finish grade slope outwards 2% 2'-0" 3'-0" maximum height over grade 24" wide conc. swale geo-fabric wrap 3/4" dia. stone surround 4" dia. drain pipe 24" wide x 12" deep concrete footing rough plumbing 6 mil plyethylene under slab CMU wall beyond drought tolerant landscape screen 8'-0" 4'-8" 9'-4"
4'-0" POOL EQUIPMENT SLAB slope outwards 2% slope grade outwards 2% 8" thick CMU wall 8" thick CMU wall 24" wide conc.swale drought tolerant landscape screen existing sloping grade A6XX MAUS RESIDENCE POOL HOUSE 21 CHUCKWAGON RD. ROLLING HILLS CA 90274 THESE DRAWINGS, SPECIFICATIONS, IDEAS AND DESIGNS ARE INSTRUMENTS OF SERVICE AND ARE THE PROPERTY OF THE ARCHITECT. ALL DESIGNS AND DRAWINGS ARE FOR THE USE ON THE SPECIFIED PROJECT AND SHALL NOT BE USED OTHERWISE WITHOUT THE EXPRESSED WRITTEN PERMISSION OF THE ARCHITECT. VISUAL CONTACT WITH THESE DRAWINGS OR SPECIFICATIONS SHALL CONSTITUTE CONCLUSIVE EVIDENCE OF ACCEPTANCE OF THESE RESTRICTIONS. ENGINEERING & ARCHITECTURE   Z 
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 ZZZEUHHQHQJFRP NR 'DWH IWHP 3R2-ECT  'RA:N %< CHEC.E' %< 'ATE EDUARDO CESPEDES 07-06-2022 3ER0IT A33  SAM & KRIS MAUS 21 CHUCKWAGON RD. ROLLING HILLS CALIFORNIA, 90274 Ph:310-254-4612 COPYRIGHT ‹2022 BREEN ENGINEERING, INC. 09-08-2022 PLANNING REVISION DETAILS POOL E4UIPMENT ENCLOSURE POOL E4UIPMENT ENCLOSURE SECTION -DETAIL SCALE  
-0 POOL E4UIPMENT ENCLOSURE PLAN SCALE
 
-0
159
ICV
ICV
2612
2611
1023.16
1023.12
1023.11
2616
ICV

PL PL PL
PL EXISTING BARN 423 SF F.F.ELEV.: 997' PROPOSED POOL HOUSE 797 SF F.F.ELEV.:107'-2" PROPOSED NEW SWIMMING POOL EXISTING DRIVEWAY EXISTING DRIVEWAY EXISTING YARD FUTURE SEPTIC TANK (APROX. LOCATION) EXISTING 3 CAR GARAGE 676 SF EXISTING SINGLE STORY HOUSE 2886 SF F.F.ELEV.:124'-11" 105
100 EXISTING ROCK PLANTER TO REMAIN EXISTING ROCK PLANTER TO REMAIN 110
120
115
125
124 126 125
123
122
115
110
115
123
120
105
100
95 PROPERTY LINE

PROPERTY LINE
90 existing driveway maximum slope = 29%
existing driveway
slope down = 15%
90 110
driveway slope down 4'-0"
4'-0" ROOF EAVE LINE PROJECTION SLOPE DOWN

EXISTING GRADE

SLOPE DOWN

EXISTING GRADE

SLOPE DOWN
120
115 DRIVEWAY EASEMENT walk & porch paving area= 169 sf

EXISTING GRADE
SLOPE DOWN LANDSCAPE REFERENCE 1. NEW NORTH PLANTER - LANDSCAPE BUFFER 2. NEW-TWILIGHT CRAPE MYRTLE-24" BUCKET 3. GROUND COVER - DWARF MONDO GRASS - FLATS 4. VINYL PLANTER EDGE 6. PHOENIX ROEBELINII - 15 GALLON 7. GROUND COVER - SENECIO - FLATS 8. EXISTING TREE TO RAMAIN 9. EXISTING FRUIT TREE TO REMAIN 10. EXISTING LANDSCAPE TO REMAIN 11. NEW LAWN 12. HARDSCAPE - PORCELAIN TILES 13. EXISTING STONE PLANTER 15. CURB 16. COREOPSIS VERTICILLATA - "ZAGREB" 17. CHINESE PISTACHE ( CANOPY TREE )- 24" BUCKET 18. CONCRETE 19. EXISTING ASPHALT DRIVEWAY LANDSCAPE NOTES 1. ALL PLANTING MATERIAL WILL BE OF LOW WATER CONSUMPTION OR DRAUGHT RESISTANT TYPE 2. TOTAL LANDSCAPED AREA = 532 S.F. 3. MAX. IRRIGATION CAPACITY = 0.9 GPH 4. NEW AND REPLACED LANDSCAPE IS PROPOSED ONLY FOR THE POOL AREA, AND SURROUNDING GROUNDS, ON THE CENTRAL PART OF THE SITE LABELED AS PAD#3 NO ALTERATIONS TO THE EXISTING LANDSCAPE ARE PROPOSED AT THIS TIME FOR THE REMAINING PART OF THE SITE. NEW LANDSCAPED AREAS ( POOL AREA ONLY ) NEW LAWN : 2535 SF NEW PLANTERS: 995 SF TOTAL NEW LANDSCAPE: 3530 SF 1 2 17
8 8
8 17
2 17 16
3 3
5 16
2 5 16
3 5
9 16 10 10 10 10 10 10 10 1010 10 NEW PLANTER 550 SF
4 4
7 7
7 7
7 7
7 99 1313 13 13 18 12 11 11 11 11
8 12 19 19 15 15 15 10
105 L1XX MAUS RESIDENCE POOL HOUSE 21 CHUCKWAGON RD. ROLLING HILLS CA 90274 X THESE DRAWINGS, SPECIFICATIONS, IDEAS AND DESIGNS ARE INSTRUMENTS OF SERVICE AND ARE THE PROPERTY OF THE ARCHITECT. ALL DESIGNS AND DRAWINGS ARE FOR THE USE ON THE SPECIFIED PRO-ECT AND SHALL NOT BE USED OTHERWISE WITHOUT THE EXPRESSED WRITTEN PERMISSION OF THE ARCHITECT. VISUAL CONTACT WITH THESE DRAWINGS OR SPECIFICATIONS SHALL CONSTITUTE CONCLUSIVE EVIDENCE OF ACCEPTANCE OF THESE RESTRICTIONS. ENGINEERING & ARCHITECTURE   Z 
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 ZZZEUHHQHQJFRP NR 'DWH IWHP 3R2-ECT  'RA:N %< CHEC.E' %< 'ATE EDUARDO CESPEDES 07-06-2022 3ER0IT A33  SAM & KRIS MAUS 21 CHUCKWAGON RD. ROLLING HILLS CALIFORNIA, 90274 Ph:310-254-4612 COPYRIGHT ©2022 BREEN ENGINEERING, INC. LANDSCAPE PLAN SCALE: 1/8"= 1'-0"

N LANDSCAPE PLAN
160
2012
979.47CB B
2013 979.44 CB
2014 979.35 CB
2015 979.35 CB CLS
2125 1027.42 PP
2205
1029.84
NW"B
2229
1023.14
PATIO"B
2611 1023.12 ICV 2612 1023.16 ICV
2616 1023.11 ICV
996.96 FFE BARN P
x x P x x
x x x x x x x x xx x x x x x x x x x x x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
S x x x x
x
x
x
x
x
x
x
x x 1030
1035
1037
1030
1025
1030
1025
1024
1023 1020
1015
1010 1020 1015
1024
1024
1024
1021 1010 1005
1000 996
996 1005
1006
1005
1006
995
990
990
985
985
985
980
979
981
983
990
995
1000
10151010
1037 1032
1025

CHUCKWAGON ROAD

CHESTERFIELD ROAD
APN: 7567-006-003
APN: 7567-006-036
APN: 7567-006-037
APN: 7567-006-008

56.8%

78.5%

68.3%

41.6%

53.7%

18.5%

13.8%

12.3%

9.7%

73.2%

14.1%

25.0%

EX SEPTIC

APPROX LOCATION
PL
PL
PL PL
PL
PL

DRIVEWAY EASEMENT
APN: 7567-006-038
R/W
R/W

EX ACCESS ROAD

EX GATE

EX CATCH BASIN

EX WATER METERS

EX HYDRANT

EX WATER METERS

EX FRUIT TREE

EX VEGETATIVE SLOPE

EX VEGETATIVE SLOPE

EX GATE

EX WA IRR. VALVE

AND SPIGOT

EX ELEC PULL BOX

EX POWER POLE

EX WA IRR. VALVE

AND SPIGOT

EX SO CAL EDISON EASEMENT

EX FRUIT TREE

EX FRUIT TREE

EX FRUIT TREE

EX PUBLIC ROAD

EASEMENT

EX PUBLIC ROAD

EASEMENT

EX PUBLIC ROAD

EASEMENT

25.0 4.0

26.8 OVERHEAD LINE

DIRECTION

OVERHEAD LINE

DIRECTION
PREPARED UNDER THE SUPERVISION OF:

DATE:
21 CHUCKWAGON ROAD
Drawing Name: P:\G\GHPA00004016\0400CAD\EC\CHKBRD\CPST\GHPA00004016-X TOPO.dwg Last Opened: Jun 28, 2022 - 5:40pm by: Cpst ROLLING HILLS, CA 90274 REVIEWED: RECOMMENDED: APPROVED: BY: BY: BY: DATE: DATE: DATE: ASSISTANT DEPUTY DIRECTOR COUNTY OF LOS ANGELES COUNTY OF LOS ANGELES 25152 SPRINGFIELD CT., STE. 350 SANTA CLARITA, CA 91355 Phone: 661.284.7400 APN: 7567-006-038 TRAVIS L. IVERSON R.C.E. 78235 PROF REGISTERED ES IONAL ENGI CI VI L STATE OF CAL R A I FO N I NEER TRA VIS LEE IVERSON SCALE: 1" = 20' No. 78235 20' 0' 10' 20' EXP: SEPT 30, 2023 FIELD SURVEY PERFORMED ON 03/26/2021 NOTE:

NO OAK TREES WERE FOUND ON PROPERTY

EXISTING TOPO
SHEET 1 OF 3 09/07/2022
161
2229 1023.14 PATIO"B2230 1023.26 PA FENCE H-7.5 FT 2231 1023.21 PA FENCE H-7.5 FT 2611 1023.12 ICV 2612 1023.16 ICV 2616 1023.11 ICV 2621 1023.51 PA FOR SOFT WTR TANK 2622 1023.59 996.96 FFE BARN x x x x x x x x x P x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x S x x x x x x FUTURE SEPTIC TANK (APROX.LOCATION) 3' DEEP SWIM-UP BAR DRY SEATING BAR TOP 8' DEEP POOL STAIRS TO SLIDE (1005.88) FG (1006.75) FG (1005.65) FG (1005.82) FG (1005.89) FG (1004.99) FG (1005.27) FG/JOIN (1006.15) FG (1006.97) FG (1010.51) FG (1007.03) FG FF=1007.16 (1013.21) FG (1010.67) FG (1006.94) FG (1008.47) FG (1007.87) FG 3.4%3.4% 2.9% 2.4% 1.0% 1.4% 2.2% F F F F F F F F F F (1010.90) FG(1010.39) FG F C 49.3% 49.0% 48.9% 49.0% 49.9% 1.9% 3.2% 1.9% 4.8% 2.2% 4.8% 1007.13 FS 1007.08 FS 1007.00 FS1006.90 FL 1006.70 FL 1006.95 FS 1006.95 FS 1007.13 FS 1007.06 FS 1006.98 FS EX SEPTIC TANK TO BE REMOVED 1007.50 FS 1007.13 FS 1007.13 FS PL PL PL POOL EQUIP 4'X8' CONCRETE SLAB WITH 6' HIGH WALL ENCLOSURE GOLF CART PARKING EXISTING BARN EXISTING ONE STORY HOUSE PROPOSED NEW SWIMMING POOL EXISTING DRIVEWAY EXISTING DRIVEWAY GAS FIRE PIT 3' DEEP HOT TUB UNDER GROTTO WATERFALL EDGE SLIDE 6" BAJA SHELF FF=997.00 FF=1024.92 PROPOSED POOL HOUSE 797 SF 1009 1010 10111012 1013 1014 1015 10161017 10181019 1020 1021 1022 1021 1023 1022 1021 1020 1015 1010 1000 1004 1005 1000 1003 1005 1006 1007 1008 1010 1015 1007 1007 1008 3.2% 13.6% 11.7% 16.4% 3.4% 27.6% 4.5%7.9% 16.5% 40.7% 36.7%53.7% 22.2% 40.7% 61.2% 56.5% 4.5% 9.7% 62.7% 79.3% 1007.00 FS 1007.00 FS PREPARED UNDER THE SUPERVISION OF: DATE: 21 CHUCKWAGON ROAD Drawing Name: P:\G\GHPA00004016\0400CAD\EC\BASES\Drawing3.dwg Last Opened: Jul 06, 2022 - 8:33am by: Cpst ROLLING HILLS, CA 90274 REVIEWED: RECOMMENDED: APPROVED: BY: BY: BY: DATE: DATE: DATE: ASSISTANT DEPUTY DIRECTOR COUNTY OF LOS ANGELES COUNTY OF LOS ANGELES 25152 SPRINGFIELD CT., STE. 350 SANTA CLARITA, CA 91355 Phone: 661.284.7400 APN: 7567-006-038 TRAVIS L. IVERSON R.C.E. 78235 PROF REGISTERED ES IONAL ENGI CI VI L STATE OF CAL R A I FO N I NEER TRA VIS LEE IVERSON No. 78235 SCALE: 1" = 10' 10' 0' 5' 10' LEGEND: -EXISTING GRADE -EXISTING CONTOUR -PROPOSED CONTOUR -EXISTING FRUIT TREE -EXISTING SAND BAG BERM -FINISHED FLOOR -FINISHED SURFACE -PATIO DECK PER ARCHITECT -EXISTING SLOPE -PROPOSED SLOPE -CUT/FILL LINE LIMIT XXX.XXFG 1005 FFFS12.1% 1005 12.1% C/F GRADING PLAN SHEET 2 OF 3 PROF REGISTERED ES IONAL ENGI CI VI L STATE OF CAL R A I FO N I NEER TRA VIS LEE IVERSON No. 78235 09/07/2022 162
2158 1024.63 EOC 2159 1024.64 EOC 2184 1024.63 FL POLE 2229 1023.14 PATIO"B2230 1023.26 PA FENCE H-7.5 FT 2231 1023.21 PA FENCE H-7.5 FT 2300 1024.58 EP 2301 1024.38 EP 2310 1024.19 EP 2311 1024.19 EP 2312 1024.25 EP 2313 1024.23 EP 2314 1024.15 EP 2315 1024.09 EP BC 2316 1023.91 EP 2317 1023.85 EP 2318 1023.79 EP EC2319 1023.72 EP 2320 1023.59 EP 2321 1023.50 EP 2322 1023.36 EP 2323 1023.28 EP 2324 1023.19 EP 2325 1023.20 EP E 2326 1023.00 EP B 2327 1023.21 EP 2328 1023.33 EP 2329 1023.67 EP BC 2405 1023.01 EP B 2406 1022.92 EP 2407 1022.94 EP E 2408 1023.39 TC B 2409 1022.93 TC 2412 1022.75 TC 2413 1022.56 TC 2416 1022.02 TC E 2420 1023.21 EP B 2421 1022.77 EP 2422 1022.59 EP 2423 1022.32 EP 2424 1022.22 EP 2425 1021.37 EP BC 2426 1020.50 EP 2427 1019.38 EP 2428 1017.87 EP 2429 1016.40 EP EC 2430 1012.98 EP 2431 1009.82 EP 2432 1008.37 EP E 2495 1022.35 EOC B BC 2496 1022.56 EOC 2497 1022.79 EOC 2498 1023.05 EOC EC 2499 1023.34 EOC 2500 1023.31 EOC 2501 1023.02 EOC BC 2502 1022.73 EOC 2503 1022.42 EOC 2504 1022.21 EOC EC CLS 2596 1023.47 EOC B 2597 1023.27 EOC 2598 1023.21 EOC 2608 1023.30 EOC 2609 1023.34 EOC 2610 1023.52 EOC E 2611 1023.12 ICV 2612 1023.16 ICV 2616 1023.11 ICV 2621 1023.51 PA FOR SOFT WTR TANK 2622 1023.59 2663 1022.01 TC B 2664 1021.69 TC 2665 1020.44 TC 2666 1019.27 TC 2667 1018.13 TC 2668 1017.12 TC 2669 1014.60 TC 2670 1011.83 TC 2671 1009.98 TC 2672 1008.94 TC 2673 1008.60 TC 2674 1008.45 TC E 2909 1008.49 EOC B 2910 1008.36 EOC 2911 1008.00 EOC 2912 1007.77 EOC 2913 1007.72 EOC BC 2914 1007.49 EOC 2915 1007.28 EOC EC 2916 1006.96 EOC 2917 1006.61 EOC 2918 1006.17 EOC 2919 1004.92 EOC 2920 1003.17 EOC 2921 1001.81 EOC 2922 997.61 EOC 2923 996.46 EOC 2924 996.20 EOC 2925 996.13 EOC 2926 995.95 EOC 2927 995.80 EOC 2928 995.84 EOC 2929 995.90 EOC 2930 995.86 EOC 2931 996.10 EOC 2932 996.79 EOC 2934 997.01 EOC 2935 997.17 EOC 2936 997.18 EOC BC 2937 997.57 EOC 2938 998.10 EOC 2939 998.93 EOC EC 2940 1002.01 EOC BC 2941 1003.64 EOC 2942 1004.87 EOC 2943 1005.74 EOC EC 2944 1005.88 EOC 2945 1006.34 EOC 2946 1006.69 EOC BC 2947 1006.95 EOC 2948 1007.21 EOC 2949 1007.42 EOC PCC 2950 1007.56 EOC 2951 1007.77 EOC PCC 2952 1008.08 EOC 2953 1008.49 EOC E 2967 1006.17 EOC B 2968 1005.47 EOC 2969 1005.21 EOC 2970 1003.96 EOC 2971 1003.23 EOC 2972 1004.95 EOC CLS 3109 996.09 EOC B 3110 996.77 EOC 3111 996.71 EOC 3112 996.23 EOC CLS 996.96 FFE BARN x x x x x x x x x P x x x x x x x x x x x x x x x x x x x x x x x x x x x xx x x x x x x x x x x x x x x x x x x x x x x x x x x x S x x x x x x 1025 1024 1023 1020 1015 1010 1020 1015 1024
1010 1021
1005 1000
996 996 1005
1006 1005 1006 990 1015 1010
FUTURE SEPTIC TANK (APROX.LOCATION) 3' DEEP SWIM-UP BAR DRY SEATING BAR TOP 8' DEEP POOL

STAIRS TO SLIDE
FF=1007.10 F F F F F F F F F F F C ELEVATIONS TABLE #12 MIN. ELEV. -7.36 0.01 MAX. ELEV. -0.01 1.90 AREA 1179.93 2966.57 COLOR GOLF CART PARKING EXISTING BARN EXISTING ONE STORY HOUSE PROPOSED POOL HOUSE 797 SF PROPOSED NEW SWIMMING POOL

EXISTING DRIVEWAY

EXISTING DRIVEWAY

NEW PATIO

PORCELAIN TILES OVER CONCRETE SLAB
GAS FIRE PIT 3
DEEP HOT TUB UNDER GROTTO WATERFALL EDGE SLIDE 6" BA-A SHELF FF=997.00
FF=1024.92 1.21 0.86 0.94 1.10 1.34 0.51 1.06 0.75 0.80 0.95 0.02 0.80 1.16 1.01 1.19 0.86 0.65 1.11 1.18 0.18 0.72 0.74 -4.04 -7.08 -6.32 -4.03 -2.05 -4.84 -7.21 -5.70 -4.20 -2.63 -1.93 0.81 0.08 0.01 1.08 1.23 0.90 0.96 SCALE: 1" = 10 10 0
5 10
EARTHWORK CALCULATION: CUT: 143 cy FILL: 143 cy NET: 0 cy TOTAL EARTHWORK: 286 cy PREPARED UNDER THE SUPERVISION OF: DATE: 21 CHUCKWAGON ROAD DUDZLnJ NDPe: P:?G?GHPA00004016?0400CAD?EC?BASES?CXW FLOO.GZJ LDVW OSeneG: SeS 07, 2022 - 2:15SP Ey: CSVW ROLLING HILLS, CA 90274 REVIEWED: RECOMMENDED: APPROVED: BY: BY: BY: DATE: DATE: DATE: ASSISTANT DEPUTY DIRECTOR COUNTY OF LOS ANGELES COUNTY OF LOS ANGELES 25152 SPRINGFIELD CT., STE. 350 SANTA CLARITA, CA 91355 Phone: 661.284.7400 APN: 7567-006-038 TRAVIS L. IVERSON R.C.E. 78235 PROF REGISTERED ES IONAL ENGI CI VI L STATE OF CAL R A I FO N I NEER TRA VIS LEE IVERSON No. 78235 09/07/2022 CUT/FILL SHEET 3 OF 3 163
From: Martha Bernadett
To: Stephanie Grant; John Signo
Subject: 21 Chuckwagon project
Date: Tuesday, October 18, 2022 7:30:37 AM
Good morning,
Thank you for reviewing the plans for the project at 21 Chuckwagon with me yesterday. I appreciate the thoughtful approach and answers to my questions.

We are supportive of the project and only ask that the porta-potties be moved up to the job site rather than at their current location at the Chesterfield fence line of the corral and that best practices for construction be followed throughout. We expect that, according to the plans, the access driveway in the corral will be removed at the conclusion of the project.

It has been our experience with the Maus' contractors with whom we have engaged so far (as they have prepared for the work and their septic replacement) that they select professional and polite subs. We greatly appreciate that.

We wish the Maus Family the very best with their project.

Best regards,
Faustino and Martha Bernadett
10 Chesterfield Road
(310)995-1232
164
21 Chuckwagon Road
Photos Before and After
Zoning Case No. 22-60 and Resolution No. 2022-17
Before: This photo was taken on 10/18/22 from Chesterfield Road looking in the south direction. The portable toilet and gravel driveway are existing on the third building pad. The toilet is located at the fence lne of the corral on Chesterfield Road.

After: This photo was taken on 11/3/22 from Chesterfield Road looking in the south direction. The gravel driveway has been removed, and the corral has been restored back to the natural state. The portable toilets have been moved out of the neighbor’s direct sight and up closer to the project site. 165
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Agenda Item No.: 11.A
Mtg. Date: 11/14/2022
TO: HONORABLE MAYOR AND MEMBERS OF THE CITY COUNCIL
FROM: VANESSA HEVENER, SENIOR MANAGEMENT ANALYST
THRU: ELAINE JENG P.E., CITY MANAGER
SUBJECT: APPROVE UPDATE TO THE COMMUNITY WILDFIRE PROTECTION

PLAN (CWPP) AND DIRECT STAFF TO SHARE THE APPROVED

UPDATED CWPP WITH THE CALIFORNIA INSURANCE COMMISSION

AND WORK WITH THE COMMISSION TO ASSIST RESIDENTS IN

OBTAINING FIRE INSURANCE IN ROLLING HILLS
DATE: November 14, 2022
BACKGROUND:

In June 2018, the City submitted a notice of interest for federal grant funds provided by the Federal Emergency Management Agency (FEMA)’s Hazard Mitigation Grant Program administered by the California Office of Emergency Services (CalOES), to prepare a Community Wildfire Protection Plan (CWPP). On July 2, 2020, the City received an award of $123,750 of federal funding to complete a CWPP.

Because of the delay in the award process and uncertainty as to whether the funds would be awarded, City staff and the Block Captains, with the support of the Rolling Hills Community Association (RHCA) and the City Council, decided to take on the task of completing a CWPP without the assistance of consulting services to minimize expenses. On July 26, 2020, the City was informed by CalOES that the awarded funds would be de-obligated because the preparation of the CWPP commenced prior to the FEMA award date of June 19, 2020. On July 27, 2020, the City Council adopted the Rolling Hills Community Wildfire Protection Plan which was completed without FEMA grant monies.

The support of the First Responders (Los Angeles County Fire and Sheriff's Departments), the engagement of the community through the efforts of the Block Captains, and the coordination between the RHCA and the City Council subcommittees on Wildfire Mitigation, all were critical elements to the completion of the CWPP.

The CWPP is a community-based document aimed at addressing concerns from the residents and community engagement is a key component of the CWPP. During the initial Plan development process in 2020, the residents developed survey questions and analyzed the survey responses, and a large portion of the plan was written by residents. The CWPP also is 178
intended to be a living document. The CWPP utilizes an iterative approach and defines a path for the City, RHCA, the First Responders and the community for action to prevent and prepare for wildfires. It is intended to be updated annually, to capture ongoing mitigation efforts and to evaluate the effectiveness of current mitigation measures. 2021 CWPP Plan Update
Since the adoption of the Rolling Hills Community Wildfire Protection Plan, the City has seen multiple staff vacancies which have prevented annual updating of the Plan. More recently, the City had sufficient staff to dedicate the time needed for the update to occur and recently completed the update process.
2022 CWPP Plan Update
The plan called for updates to occur annually. As a part of the lessons learned since 2020 from implementing projects listed in CWPP, projects typically require more than 12 months to develop. Staff is adjusting so that the plan update occur once every two years. Going forward, plan updates will be summarized in new appendices to the plan. Appendix D summarizes the activities for 2021 and 2022.

DISCUSSION:

On September 26, 2022, the CWPP Update was presented to the City Council with the intent to share the Update with the community and allow the community to review and provide feedback in the month of October 2022. Significant efforts were made to allow the public the opportunity to make comments on the Plan Update including posted it predominately on City’s homepage, publicized twice on the City’s Blue Newsletter, distributed to the Block Captains and announced it during the five Block Captain Annual Zone meetings held at City Hall. To date, the City received 2 comments (attached comment matrix).

Staff recommends the City Council approve the CWPP Update as drafted and direct Staff to share the approved updated CWPP with the California Insurance Commission and work with the Commission to assist residents in obtaining fire insurance in Rolling Hills.

FISCAL IMPACT:

There is no fiscal impact to this report.

RECOMMENDATION:

Approve Update to the Community Wildfire Protection Plan (CWPP) and direct Staff to share the approved updated CWPP with the California Insurance Commission and work with the Commission to assist residents in obtaining fire insurance in Rolling Hills.

ATTACHMENTS:

CWPP_final_2020-09-10_v2020.1.pdf
CL_AGN_CC_220926_CWPPAppendix D - September 2022_F_2022-09-22.pdf CL_AGN_CC_221114_COMMENTS CWPP Update_221101.pdf
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ROLLING HILLS

COMMUNITY WILDFIRE PROTECTION PLAN
(CWPP)
V2020.1
JULY 2020
180